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Finding the Fourth Proportional to 64,550.80, 96,690.12 and 29,519.92

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Solution

The fourth proportional to 64,550.80, 96,690.12 and 29,519.92 is: 44,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,550.80 : 96,690.12 = 29,519.92 : x
  2. Step 2: Convert to fraction form
    64,550.80/96,690.12 = 29,519.92/x
  3. Step 3: Cross multiply
    64,550.80x = 96,690.12 × 29,519.92
  4. Step 4: Simplify right side
    64,550.80x = 2,854,284,607.19
  5. Step 5: Solve for x
    x = 2,854,284,607.19/64,550.80
  6. Step 6: Final answer
    x = 44,217.65

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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.