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Finding the Fourth Proportional to 52,304.73, 72,179.67 and 28,432

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Solution

The fourth proportional to 52,304.73, 72,179.67 and 28,432 is: 39,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304.73 : 72,179.67 = 28,432 : x
  2. Step 2: Convert to fraction form
    52,304.73/72,179.67 = 28,432/x
  3. Step 3: Cross multiply
    52,304.73x = 72,179.67 × 28,432
  4. Step 4: Simplify right side
    52,304.73x = 2,052,212,377.44
  5. Step 5: Solve for x
    x = 2,052,212,377.44/52,304.73
  6. Step 6: Final answer
    x = 39,235.70

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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.