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Finding the Fourth Proportional to 33,906,862.80, 50,816,057.40 and 15,708,949.20

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Solution

The fourth proportional to 33,906,862.80, 50,816,057.40 and 15,708,949.20 is: 23,542,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,906,862.80 : 50,816,057.40 = 15,708,949.20 : x
  2. Step 2: Convert to fraction form
    33,906,862.80/50,816,057.40 = 15,708,949.20/x
  3. Step 3: Cross multiply
    33,906,862.80x = 50,816,057.40 × 15,708,949.20
  4. Step 4: Simplify right side
    33,906,862.80x = 798,266,864,240,884
  5. Step 5: Solve for x
    x = 798,266,864,240,884/33,906,862.80
  6. Step 6: Final answer
    x = 23,542,929.02

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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.