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Finding the Fourth Proportional to 22,751.04, 34,123.20 and 7,958.88

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Solution

The fourth proportional to 22,751.04, 34,123.20 and 7,958.88 is: 11,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.04 : 34,123.20 = 7,958.88 : x
  2. Step 2: Convert to fraction form
    22,751.04/34,123.20 = 7,958.88/x
  3. Step 3: Cross multiply
    22,751.04x = 34,123.20 × 7,958.88
  4. Step 4: Simplify right side
    22,751.04x = 271,582,454.02
  5. Step 5: Solve for x
    x = 271,582,454.02/22,751.04
  6. Step 6: Final answer
    x = 11,937.14

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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.