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Finding the Fourth Proportional to 882.18, 1,322.76 and 752.26

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Solution

The fourth proportional to 882.18, 1,322.76 and 752.26 is: 1,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.18 : 1,322.76 = 752.26 : x
  2. Step 2: Convert to fraction form
    882.18/1,322.76 = 752.26/x
  3. Step 3: Cross multiply
    882.18x = 1,322.76 × 752.26
  4. Step 4: Simplify right side
    882.18x = 995,059.44
  5. Step 5: Solve for x
    x = 995,059.44/882.18
  6. Step 6: Final answer
    x = 1,127.96

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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.