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Finding the Fourth Proportional to 48,981.80, 73,472.70 and 24,405.80

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Solution

The fourth proportional to 48,981.80, 73,472.70 and 24,405.80 is: 36,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,981.80 : 73,472.70 = 24,405.80 : x
  2. Step 2: Convert to fraction form
    48,981.80/73,472.70 = 24,405.80/x
  3. Step 3: Cross multiply
    48,981.80x = 73,472.70 × 24,405.80
  4. Step 4: Simplify right side
    48,981.80x = 1,793,160,021.66
  5. Step 5: Solve for x
    x = 1,793,160,021.66/48,981.80
  6. Step 6: Final answer
    x = 36,608.70

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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.