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Finding the Fourth Proportional to 22,363,929.20, 33,545,893.80 and 20,167,306.40

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Solution

The fourth proportional to 22,363,929.20, 33,545,893.80 and 20,167,306.40 is: 30,250,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363,929.20 : 33,545,893.80 = 20,167,306.40 : x
  2. Step 2: Convert to fraction form
    22,363,929.20/33,545,893.80 = 20,167,306.40/x
  3. Step 3: Cross multiply
    22,363,929.20x = 33,545,893.80 × 20,167,306.40
  4. Step 4: Simplify right side
    22,363,929.20x = 676,530,318,726,460.25
  5. Step 5: Solve for x
    x = 676,530,318,726,460.25/22,363,929.20
  6. Step 6: Final answer
    x = 30,250,959.60

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1.5x scale

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.