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Finding the Fourth Proportional to 24,486,545.80, 36,729,818.70 and 20,707,409.80

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Solution

The fourth proportional to 24,486,545.80, 36,729,818.70 and 20,707,409.80 is: 31,061,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,486,545.80 : 36,729,818.70 = 20,707,409.80 : x
  2. Step 2: Convert to fraction form
    24,486,545.80/36,729,818.70 = 20,707,409.80/x
  3. Step 3: Cross multiply
    24,486,545.80x = 36,729,818.70 × 20,707,409.80
  4. Step 4: Simplify right side
    24,486,545.80x = 760,579,407,700,603.38
  5. Step 5: Solve for x
    x = 760,579,407,700,603.38/24,486,545.80
  6. Step 6: Final answer
    x = 31,061,114.70

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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.