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Finding the Fourth Proportional to 6,250.76, 8,625.66 and 3,456.26

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Solution

The fourth proportional to 6,250.76, 8,625.66 and 3,456.26 is: 4,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.76 : 8,625.66 = 3,456.26 : x
  2. Step 2: Convert to fraction form
    6,250.76/8,625.66 = 3,456.26/x
  3. Step 3: Cross multiply
    6,250.76x = 8,625.66 × 3,456.26
  4. Step 4: Simplify right side
    6,250.76x = 29,812,523.63
  5. Step 5: Solve for x
    x = 29,812,523.63/6,250.76
  6. Step 6: Final answer
    x = 4,769.42

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Find fourth proportional to 3,125.38, 4,312.83 and 1,728.13
Half scale
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Double scale
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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.