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Finding the Fourth Proportional to 62,892.96, 86,832.12 and 39,044.94

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Solution

The fourth proportional to 62,892.96, 86,832.12 and 39,044.94 is: 53,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,892.96 : 86,832.12 = 39,044.94 : x
  2. Step 2: Convert to fraction form
    62,892.96/86,832.12 = 39,044.94/x
  3. Step 3: Cross multiply
    62,892.96x = 86,832.12 × 39,044.94
  4. Step 4: Simplify right side
    62,892.96x = 3,390,354,915.47
  5. Step 5: Solve for x
    x = 3,390,354,915.47/62,892.96
  6. Step 6: Final answer
    x = 53,906.75

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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.