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Finding the Fourth Proportional to 52,344.80, 72,235.68 and 29,374.64

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Solution

The fourth proportional to 52,344.80, 72,235.68 and 29,374.64 is: 40,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,344.80 : 72,235.68 = 29,374.64 : x
  2. Step 2: Convert to fraction form
    52,344.80/72,235.68 = 29,374.64/x
  3. Step 3: Cross multiply
    52,344.80x = 72,235.68 × 29,374.64
  4. Step 4: Simplify right side
    52,344.80x = 2,121,897,095.16
  5. Step 5: Solve for x
    x = 2,121,897,095.16/52,344.80
  6. Step 6: Final answer
    x = 40,536.92

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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.