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Finding the Fourth Proportional to 5,631,689.90, 8,442,524.86 and 2,036,657.61

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Solution

The fourth proportional to 5,631,689.90, 8,442,524.86 and 2,036,657.61 is: 3,053,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,689.90 : 8,442,524.86 = 2,036,657.61 : x
  2. Step 2: Convert to fraction form
    5,631,689.90/8,442,524.86 = 2,036,657.61/x
  3. Step 3: Cross multiply
    5,631,689.90x = 8,442,524.86 × 2,036,657.61
  4. Step 4: Simplify right side
    5,631,689.90x = 17,194,532,498,641.54
  5. Step 5: Solve for x
    x = 17,194,532,498,641.54/5,631,689.90
  6. Step 6: Final answer
    x = 3,053,174.59

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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.