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Finding the Fourth Proportional to 42,363.93, 63,541.02 and 11,201.61

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Solution

The fourth proportional to 42,363.93, 63,541.02 and 11,201.61 is: 16,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,363.93 : 63,541.02 = 11,201.61 : x
  2. Step 2: Convert to fraction form
    42,363.93/63,541.02 = 11,201.61/x
  3. Step 3: Cross multiply
    42,363.93x = 63,541.02 × 11,201.61
  4. Step 4: Simplify right side
    42,363.93x = 711,761,725.04
  5. Step 5: Solve for x
    x = 711,761,725.04/42,363.93
  6. Step 6: Final answer
    x = 16,801.13

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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.