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Finding the Fourth Proportional to 6,488,412.27, 9,734,750.76 and 2,653,460.61

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Solution

The fourth proportional to 6,488,412.27, 9,734,750.76 and 2,653,460.61 is: 3,981,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488,412.27 : 9,734,750.76 = 2,653,460.61 : x
  2. Step 2: Convert to fraction form
    6,488,412.27/9,734,750.76 = 2,653,460.61/x
  3. Step 3: Cross multiply
    6,488,412.27x = 9,734,750.76 × 2,653,460.61
  4. Step 4: Simplify right side
    6,488,412.27x = 25,830,777,663,272.73
  5. Step 5: Solve for x
    x = 25,830,777,663,272.73/6,488,412.27
  6. Step 6: Final answer
    x = 3,981,062.95

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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.