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Finding the Fourth Proportional to 48,397.80, 72,605.86 and 16,806.62

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Solution

The fourth proportional to 48,397.80, 72,605.86 and 16,806.62 is: 25,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,397.80 : 72,605.86 = 16,806.62 : x
  2. Step 2: Convert to fraction form
    48,397.80/72,605.86 = 16,806.62/x
  3. Step 3: Cross multiply
    48,397.80x = 72,605.86 × 16,806.62
  4. Step 4: Simplify right side
    48,397.80x = 1,220,259,098.79
  5. Step 5: Solve for x
    x = 1,220,259,098.79/48,397.80
  6. Step 6: Final answer
    x = 25,213.11

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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.