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Finding the Fourth Proportional to 22,993,318.40, 34,502,419.20 and 10,215,795.20

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Solution

The fourth proportional to 22,993,318.40, 34,502,419.20 and 10,215,795.20 is: 15,329,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,993,318.40 : 34,502,419.20 = 10,215,795.20 : x
  2. Step 2: Convert to fraction form
    22,993,318.40/34,502,419.20 = 10,215,795.20/x
  3. Step 3: Cross multiply
    22,993,318.40x = 34,502,419.20 × 10,215,795.20
  4. Step 4: Simplify right side
    22,993,318.40x = 352,469,648,451,747.88
  5. Step 5: Solve for x
    x = 352,469,648,451,747.88/22,993,318.40
  6. Step 6: Final answer
    x = 15,329,220.53

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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.