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Finding the Fourth Proportional to 64,512.77, 96,780.50 and 29,455.97

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Solution

The fourth proportional to 64,512.77, 96,780.50 and 29,455.97 is: 44,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512.77 : 96,780.50 = 29,455.97 : x
  2. Step 2: Convert to fraction form
    64,512.77/96,780.50 = 29,455.97/x
  3. Step 3: Cross multiply
    64,512.77x = 96,780.50 × 29,455.97
  4. Step 4: Simplify right side
    64,512.77x = 2,850,762,873.40
  5. Step 5: Solve for x
    x = 2,850,762,873.40/64,512.77
  6. Step 6: Final answer
    x = 44,189.13

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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.