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Finding the Fourth Proportional to 8,016,552.80, 11,996,835.60 and 5,609,103.20

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Solution

The fourth proportional to 8,016,552.80, 11,996,835.60 and 5,609,103.20 is: 8,394,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016,552.80 : 11,996,835.60 = 5,609,103.20 : x
  2. Step 2: Convert to fraction form
    8,016,552.80/11,996,835.60 = 5,609,103.20/x
  3. Step 3: Cross multiply
    8,016,552.80x = 11,996,835.60 × 5,609,103.20
  4. Step 4: Simplify right side
    8,016,552.80x = 67,291,488,953,833.92
  5. Step 5: Solve for x
    x = 67,291,488,953,833.92/8,016,552.80
  6. Step 6: Final answer
    x = 8,394,067.95

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1.5x scale

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.