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Finding the Fourth Proportional to 1,708.91, 2,358.26 and 952.70

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Solution

The fourth proportional to 1,708.91, 2,358.26 and 952.70 is: 1,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.91 : 2,358.26 = 952.70 : x
  2. Step 2: Convert to fraction form
    1,708.91/2,358.26 = 952.70/x
  3. Step 3: Cross multiply
    1,708.91x = 2,358.26 × 952.70
  4. Step 4: Simplify right side
    1,708.91x = 2,246,714.30
  5. Step 5: Solve for x
    x = 2,246,714.30/1,708.91
  6. Step 6: Final answer
    x = 1,314.71

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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.