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Finding the Fourth Proportional to 13,793,488.80, 20,654,803.80 and 10,935,517.20

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Solution

The fourth proportional to 13,793,488.80, 20,654,803.80 and 10,935,517.20 is: 16,375,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,488.80 : 20,654,803.80 = 10,935,517.20 : x
  2. Step 2: Convert to fraction form
    13,793,488.80/20,654,803.80 = 10,935,517.20/x
  3. Step 3: Cross multiply
    13,793,488.80x = 20,654,803.80 × 10,935,517.20
  4. Step 4: Simplify right side
    13,793,488.80x = 225,870,962,217,525.34
  5. Step 5: Solve for x
    x = 225,870,962,217,525.34/13,793,488.80
  6. Step 6: Final answer
    x = 16,375,187.27

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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.