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Finding the Fourth Proportional to 952.24, 1,426.42 and 659

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Solution

The fourth proportional to 952.24, 1,426.42 and 659 is: 987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.24 : 1,426.42 = 659 : x
  2. Step 2: Convert to fraction form
    952.24/1,426.42 = 659/x
  3. Step 3: Cross multiply
    952.24x = 1,426.42 × 659
  4. Step 4: Simplify right side
    952.24x = 940,010.78
  5. Step 5: Solve for x
    x = 940,010.78/952.24
  6. Step 6: Final answer
    x = 987.16

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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.