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Finding the Fourth Proportional to 6,149.72, 8,486.28 and 3,496.76

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Solution

The fourth proportional to 6,149.72, 8,486.28 and 3,496.76 is: 4,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.72 : 8,486.28 = 3,496.76 : x
  2. Step 2: Convert to fraction form
    6,149.72/8,486.28 = 3,496.76/x
  3. Step 3: Cross multiply
    6,149.72x = 8,486.28 × 3,496.76
  4. Step 4: Simplify right side
    6,149.72x = 29,674,484.45
  5. Step 5: Solve for x
    x = 29,674,484.45/6,149.72
  6. Step 6: Final answer
    x = 4,825.34

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Find fourth proportional to 3,074.86, 4,243.14 and 1,748.38
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.