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Finding the Fourth Proportional to 38,600.61, 57,892.81 and 10,892.13

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Solution

The fourth proportional to 38,600.61, 57,892.81 and 10,892.13 is: 16,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600.61 : 57,892.81 = 10,892.13 : x
  2. Step 2: Convert to fraction form
    38,600.61/57,892.81 = 10,892.13/x
  3. Step 3: Cross multiply
    38,600.61x = 57,892.81 × 10,892.13
  4. Step 4: Simplify right side
    38,600.61x = 630,576,012.59
  5. Step 5: Solve for x
    x = 630,576,012.59/38,600.61
  6. Step 6: Final answer
    x = 16,335.91

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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.