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Finding the Fourth Proportional to 4,173.61, 6,256.24 and 2,087.24

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Solution

The fourth proportional to 4,173.61, 6,256.24 and 2,087.24 is: 3,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.61 : 6,256.24 = 2,087.24 : x
  2. Step 2: Convert to fraction form
    4,173.61/6,256.24 = 2,087.24/x
  3. Step 3: Cross multiply
    4,173.61x = 6,256.24 × 2,087.24
  4. Step 4: Simplify right side
    4,173.61x = 13,058,284.81
  5. Step 5: Solve for x
    x = 13,058,284.81/4,173.61
  6. Step 6: Final answer
    x = 3,128.78

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.