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Finding the Fourth Proportional to 13,793,520.30, 20,654,851.05 and 10,935,548.70

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Solution

The fourth proportional to 13,793,520.30, 20,654,851.05 and 10,935,548.70 is: 16,375,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,520.30 : 20,654,851.05 = 10,935,548.70 : x
  2. Step 2: Convert to fraction form
    13,793,520.30/20,654,851.05 = 10,935,548.70/x
  3. Step 3: Cross multiply
    13,793,520.30x = 20,654,851.05 × 10,935,548.70
  4. Step 4: Simplify right side
    13,793,520.30x = 225,872,129,548,521.12
  5. Step 5: Solve for x
    x = 225,872,129,548,521.12/13,793,520.30
  6. Step 6: Final answer
    x = 16,375,234.50

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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.