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Finding the Fourth Proportional to 8,693,252.15, 12,195,747.25 and 8,693,252.15

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Solution

The fourth proportional to 8,693,252.15, 12,195,747.25 and 8,693,252.15 is: 12,195,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,252.15 : 12,195,747.25 = 8,693,252.15 : x
  2. Step 2: Convert to fraction form
    8,693,252.15/12,195,747.25 = 8,693,252.15/x
  3. Step 3: Cross multiply
    8,693,252.15x = 12,195,747.25 × 8,693,252.15
  4. Step 4: Simplify right side
    8,693,252.15x = 106,020,706,001,919.09
  5. Step 5: Solve for x
    x = 106,020,706,001,919.09/8,693,252.15
  6. Step 6: Final answer
    x = 12,195,747.25

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.