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Finding the Fourth Proportional to 64,414.22, 88,892.54 and 38,917.04

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Solution

The fourth proportional to 64,414.22, 88,892.54 and 38,917.04 is: 53,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,414.22 : 88,892.54 = 38,917.04 : x
  2. Step 2: Convert to fraction form
    64,414.22/88,892.54 = 38,917.04/x
  3. Step 3: Cross multiply
    64,414.22x = 88,892.54 × 38,917.04
  4. Step 4: Simplify right side
    64,414.22x = 3,459,433,895.83
  5. Step 5: Solve for x
    x = 3,459,433,895.83/64,414.22
  6. Step 6: Final answer
    x = 53,706.06

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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.