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Finding the Fourth Proportional to 52,355.87, 72,251.65 and 28,482.49

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Solution

The fourth proportional to 52,355.87, 72,251.65 and 28,482.49 is: 39,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,355.87 : 72,251.65 = 28,482.49 : x
  2. Step 2: Convert to fraction form
    52,355.87/72,251.65 = 28,482.49/x
  3. Step 3: Cross multiply
    52,355.87x = 72,251.65 × 28,482.49
  4. Step 4: Simplify right side
    52,355.87x = 2,057,906,457.90
  5. Step 5: Solve for x
    x = 2,057,906,457.90/52,355.87
  6. Step 6: Final answer
    x = 39,306.13

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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.