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Finding the Fourth Proportional to 7,136,394.73, 9,848,234.47 and 3,873,209.50

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Solution

The fourth proportional to 7,136,394.73, 9,848,234.47 and 3,873,209.50 is: 5,345,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,394.73 : 9,848,234.47 = 3,873,209.50 : x
  2. Step 2: Convert to fraction form
    7,136,394.73/9,848,234.47 = 3,873,209.50/x
  3. Step 3: Cross multiply
    7,136,394.73x = 9,848,234.47 × 3,873,209.50
  4. Step 4: Simplify right side
    7,136,394.73x = 38,144,275,273,127.85
  5. Step 5: Solve for x
    x = 38,144,275,273,127.85/7,136,394.73
  6. Step 6: Final answer
    x = 5,345,034.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.