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Finding the Fourth Proportional to 8,981,551.80, 13,472,327.70 and 2,592,012.60

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Solution

The fourth proportional to 8,981,551.80, 13,472,327.70 and 2,592,012.60 is: 3,888,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981,551.80 : 13,472,327.70 = 2,592,012.60 : x
  2. Step 2: Convert to fraction form
    8,981,551.80/13,472,327.70 = 2,592,012.60/x
  3. Step 3: Cross multiply
    8,981,551.80x = 13,472,327.70 × 2,592,012.60
  4. Step 4: Simplify right side
    8,981,551.80x = 34,920,443,149,729.02
  5. Step 5: Solve for x
    x = 34,920,443,149,729.02/8,981,551.80
  6. Step 6: Final answer
    x = 3,888,018.90

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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.