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Finding the Fourth Proportional to 17,815,244.10, 26,722,866.15 and 15,264,327.30

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Solution

The fourth proportional to 17,815,244.10, 26,722,866.15 and 15,264,327.30 is: 22,896,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815,244.10 : 26,722,866.15 = 15,264,327.30 : x
  2. Step 2: Convert to fraction form
    17,815,244.10/26,722,866.15 = 15,264,327.30/x
  3. Step 3: Cross multiply
    17,815,244.10x = 26,722,866.15 × 15,264,327.30
  4. Step 4: Simplify right side
    17,815,244.10x = 407,906,575,307,690.88
  5. Step 5: Solve for x
    x = 407,906,575,307,690.88/17,815,244.10
  6. Step 6: Final answer
    x = 22,896,490.95

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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.