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Finding the Fourth Proportional to 64,691.92, 97,007.12 and 22,566.88

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Solution

The fourth proportional to 64,691.92, 97,007.12 and 22,566.88 is: 33,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,691.92 : 97,007.12 = 22,566.88 : x
  2. Step 2: Convert to fraction form
    64,691.92/97,007.12 = 22,566.88/x
  3. Step 3: Cross multiply
    64,691.92x = 97,007.12 × 22,566.88
  4. Step 4: Simplify right side
    64,691.92x = 2,189,148,036.19
  5. Step 5: Solve for x
    x = 2,189,148,036.19/64,691.92
  6. Step 6: Final answer
    x = 33,839.59

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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.