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Finding the Fourth Proportional to 29,138.82, 43,658.01 and 22,938.54

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Solution

The fourth proportional to 29,138.82, 43,658.01 and 22,938.54 is: 34,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.82 : 43,658.01 = 22,938.54 : x
  2. Step 2: Convert to fraction form
    29,138.82/43,658.01 = 22,938.54/x
  3. Step 3: Cross multiply
    29,138.82x = 43,658.01 × 22,938.54
  4. Step 4: Simplify right side
    29,138.82x = 1,001,451,008.71
  5. Step 5: Solve for x
    x = 1,001,451,008.71/29,138.82
  6. Step 6: Final answer
    x = 34,368.28

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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.