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Finding the Fourth Proportional to 7,136,508.08, 9,848,130.68 and 3,873,257.13

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Solution

The fourth proportional to 7,136,508.08, 9,848,130.68 and 3,873,257.13 is: 5,344,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,508.08 : 9,848,130.68 = 3,873,257.13 : x
  2. Step 2: Convert to fraction form
    7,136,508.08/9,848,130.68 = 3,873,257.13/x
  3. Step 3: Cross multiply
    7,136,508.08x = 9,848,130.68 × 3,873,257.13
  4. Step 4: Simplify right side
    7,136,508.08x = 38,144,342,383,164.89
  5. Step 5: Solve for x
    x = 38,144,342,383,164.89/7,136,508.08
  6. Step 6: Final answer
    x = 5,344,958.90

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