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Finding the Fourth Proportional to 1,708.11, 2,562.17 and 475.52

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Solution

The fourth proportional to 1,708.11, 2,562.17 and 475.52 is: 713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.11 : 2,562.17 = 475.52 : x
  2. Step 2: Convert to fraction form
    1,708.11/2,562.17 = 475.52/x
  3. Step 3: Cross multiply
    1,708.11x = 2,562.17 × 475.52
  4. Step 4: Simplify right side
    1,708.11x = 1,218,368.30
  5. Step 5: Solve for x
    x = 1,218,368.30/1,708.11
  6. Step 6: Final answer
    x = 713.28

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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.