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Finding the Fourth Proportional to 6,462,951.39, 9,693,083.88 and 1,912,932.54

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Solution

The fourth proportional to 6,462,951.39, 9,693,083.88 and 1,912,932.54 is: 2,869,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462,951.39 : 9,693,083.88 = 1,912,932.54 : x
  2. Step 2: Convert to fraction form
    6,462,951.39/9,693,083.88 = 1,912,932.54/x
  3. Step 3: Cross multiply
    6,462,951.39x = 9,693,083.88 × 1,912,932.54
  4. Step 4: Simplify right side
    6,462,951.39x = 18,542,215,567,001.46
  5. Step 5: Solve for x
    x = 18,542,215,567,001.46/6,462,951.39
  6. Step 6: Final answer
    x = 2,869,001.24

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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.