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Finding the Fourth Proportional to 8,986,233.10, 13,479,349.65 and 8,090,437.90

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Solution

The fourth proportional to 8,986,233.10, 13,479,349.65 and 8,090,437.90 is: 12,135,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,233.10 : 13,479,349.65 = 8,090,437.90 : x
  2. Step 2: Convert to fraction form
    8,986,233.10/13,479,349.65 = 8,090,437.90/x
  3. Step 3: Cross multiply
    8,986,233.10x = 13,479,349.65 × 8,090,437.90
  4. Step 4: Simplify right side
    8,986,233.10x = 109,053,841,275,711.75
  5. Step 5: Solve for x
    x = 109,053,841,275,711.75/8,986,233.10
  6. Step 6: Final answer
    x = 12,135,656.85

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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.