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Finding the Fourth Proportional to 6,653,488.39, 9,981,327.50 and 2,042,358.86

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Solution

The fourth proportional to 6,653,488.39, 9,981,327.50 and 2,042,358.86 is: 3,063,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653,488.39 : 9,981,327.50 = 2,042,358.86 : x
  2. Step 2: Convert to fraction form
    6,653,488.39/9,981,327.50 = 2,042,358.86/x
  3. Step 3: Cross multiply
    6,653,488.39x = 9,981,327.50 × 2,042,358.86
  4. Step 4: Simplify right side
    6,653,488.39x = 20,385,452,676,587.02
  5. Step 5: Solve for x
    x = 20,385,452,676,587.02/6,653,488.39
  6. Step 6: Final answer
    x = 3,063,874.39

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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.