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Finding the Fourth Proportional to 5,660,244.90, 8,489,978.55 and 1,822,011.30

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Solution

The fourth proportional to 5,660,244.90, 8,489,978.55 and 1,822,011.30 is: 2,732,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660,244.90 : 8,489,978.55 = 1,822,011.30 : x
  2. Step 2: Convert to fraction form
    5,660,244.90/8,489,978.55 = 1,822,011.30/x
  3. Step 3: Cross multiply
    5,660,244.90x = 8,489,978.55 × 1,822,011.30
  4. Step 4: Simplify right side
    5,660,244.90x = 15,468,836,854,857.62
  5. Step 5: Solve for x
    x = 15,468,836,854,857.62/5,660,244.90
  6. Step 6: Final answer
    x = 2,732,891.80

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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.