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Finding the Fourth Proportional to 2,716.48, 3,748.80 and 1,474.48

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Solution

The fourth proportional to 2,716.48, 3,748.80 and 1,474.48 is: 2,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.48 : 3,748.80 = 1,474.48 : x
  2. Step 2: Convert to fraction form
    2,716.48/3,748.80 = 1,474.48/x
  3. Step 3: Cross multiply
    2,716.48x = 3,748.80 × 1,474.48
  4. Step 4: Simplify right side
    2,716.48x = 5,527,530.62
  5. Step 5: Solve for x
    x = 5,527,530.62/2,716.48
  6. Step 6: Final answer
    x = 2,034.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.