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Finding the Fourth Proportional to 24,388,001.20, 36,582,001.80 and 20,419,908.40

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Solution

The fourth proportional to 24,388,001.20, 36,582,001.80 and 20,419,908.40 is: 30,629,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,388,001.20 : 36,582,001.80 = 20,419,908.40 : x
  2. Step 2: Convert to fraction form
    24,388,001.20/36,582,001.80 = 20,419,908.40/x
  3. Step 3: Cross multiply
    24,388,001.20x = 36,582,001.80 × 20,419,908.40
  4. Step 4: Simplify right side
    24,388,001.20x = 747,001,125,844,635
  5. Step 5: Solve for x
    x = 747,001,125,844,635/24,388,001.20
  6. Step 6: Final answer
    x = 30,629,862.60

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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.