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Finding the Fourth Proportional to 38,593.71, 57,861.39 and 12,283.29

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Solution

The fourth proportional to 38,593.71, 57,861.39 and 12,283.29 is: 18,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,593.71 : 57,861.39 = 12,283.29 : x
  2. Step 2: Convert to fraction form
    38,593.71/57,861.39 = 12,283.29/x
  3. Step 3: Cross multiply
    38,593.71x = 57,861.39 × 12,283.29
  4. Step 4: Simplify right side
    38,593.71x = 710,728,233.17
  5. Step 5: Solve for x
    x = 710,728,233.17/38,593.71
  6. Step 6: Final answer
    x = 18,415.65

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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.