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Finding the Fourth Proportional to 952.82, 1,425.75 and 563

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Solution

The fourth proportional to 952.82, 1,425.75 and 563 is: 842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.82 : 1,425.75 = 563 : x
  2. Step 2: Convert to fraction form
    952.82/1,425.75 = 563/x
  3. Step 3: Cross multiply
    952.82x = 1,425.75 × 563
  4. Step 4: Simplify right side
    952.82x = 802,697.25
  5. Step 5: Solve for x
    x = 802,697.25/952.82
  6. Step 6: Final answer
    x = 842.44

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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.