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Finding the Fourth Proportional to 64,458.57, 88,951.11 and 35,778.14

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Solution

The fourth proportional to 64,458.57, 88,951.11 and 35,778.14 is: 49,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.57 : 88,951.11 = 35,778.14 : x
  2. Step 2: Convert to fraction form
    64,458.57/88,951.11 = 35,778.14/x
  3. Step 3: Cross multiply
    64,458.57x = 88,951.11 × 35,778.14
  4. Step 4: Simplify right side
    64,458.57x = 3,182,505,722.98
  5. Step 5: Solve for x
    x = 3,182,505,722.98/64,458.57
  6. Step 6: Final answer
    x = 49,372.89

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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.