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Finding the Fourth Proportional to 2,472.66, 3,716.82 and 1,379.16

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Solution

The fourth proportional to 2,472.66, 3,716.82 and 1,379.16 is: 2,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.66 : 3,716.82 = 1,379.16 : x
  2. Step 2: Convert to fraction form
    2,472.66/3,716.82 = 1,379.16/x
  3. Step 3: Cross multiply
    2,472.66x = 3,716.82 × 1,379.16
  4. Step 4: Simplify right side
    2,472.66x = 5,126,089.47
  5. Step 5: Solve for x
    x = 5,126,089.47/2,472.66
  6. Step 6: Final answer
    x = 2,073.11

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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.