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Finding the Fourth Proportional to 50,605.93, 75,909.80 and 15,545.89

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Solution

The fourth proportional to 50,605.93, 75,909.80 and 15,545.89 is: 23,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,605.93 : 75,909.80 = 15,545.89 : x
  2. Step 2: Convert to fraction form
    50,605.93/75,909.80 = 15,545.89/x
  3. Step 3: Cross multiply
    50,605.93x = 75,909.80 × 15,545.89
  4. Step 4: Simplify right side
    50,605.93x = 1,180,085,400.72
  5. Step 5: Solve for x
    x = 1,180,085,400.72/50,605.93
  6. Step 6: Final answer
    x = 23,319.11

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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.