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Finding the Fourth Proportional to 64,279.52, 96,459.11 and 31,002.92

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Solution

The fourth proportional to 64,279.52, 96,459.11 and 31,002.92 is: 46,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,279.52 : 96,459.11 = 31,002.92 : x
  2. Step 2: Convert to fraction form
    64,279.52/96,459.11 = 31,002.92/x
  3. Step 3: Cross multiply
    64,279.52x = 96,459.11 × 31,002.92
  4. Step 4: Simplify right side
    64,279.52x = 2,990,513,433.29
  5. Step 5: Solve for x
    x = 2,990,513,433.29/64,279.52
  6. Step 6: Final answer
    x = 46,523.58

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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.