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Finding the Fourth Proportional to 22,469,903.20, 33,704,854.80 and 21,840,047.20

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Solution

The fourth proportional to 22,469,903.20, 33,704,854.80 and 21,840,047.20 is: 32,760,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469,903.20 : 33,704,854.80 = 21,840,047.20 : x
  2. Step 2: Convert to fraction form
    22,469,903.20/33,704,854.80 = 21,840,047.20/x
  3. Step 3: Cross multiply
    22,469,903.20x = 33,704,854.80 × 21,840,047.20
  4. Step 4: Simplify right side
    22,469,903.20x = 736,115,619,701,146.50
  5. Step 5: Solve for x
    x = 736,115,619,701,146.50/22,469,903.20
  6. Step 6: Final answer
    x = 32,760,070.80

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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.