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Finding the Fourth Proportional to 17,983,479.06, 26,978,545.13 and 5,690,537.42

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Solution

The fourth proportional to 17,983,479.06, 26,978,545.13 and 5,690,537.42 is: 8,536,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983,479.06 : 26,978,545.13 = 5,690,537.42 : x
  2. Step 2: Convert to fraction form
    17,983,479.06/26,978,545.13 = 5,690,537.42/x
  3. Step 3: Cross multiply
    17,983,479.06x = 26,978,545.13 × 5,690,537.42
  4. Step 4: Simplify right side
    17,983,479.06x = 153,522,420,436,078.34
  5. Step 5: Solve for x
    x = 153,522,420,436,078.34/17,983,479.06
  6. Step 6: Final answer
    x = 8,536,858.74

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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.