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Finding the Fourth Proportional to 7,169.74, 10,754.54 and 2,239.42

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Solution

The fourth proportional to 7,169.74, 10,754.54 and 2,239.42 is: 3,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.74 : 10,754.54 = 2,239.42 : x
  2. Step 2: Convert to fraction form
    7,169.74/10,754.54 = 2,239.42/x
  3. Step 3: Cross multiply
    7,169.74x = 10,754.54 × 2,239.42
  4. Step 4: Simplify right side
    7,169.74x = 24,083,931.97
  5. Step 5: Solve for x
    x = 24,083,931.97/7,169.74
  6. Step 6: Final answer
    x = 3,359.11

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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.