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Finding the Fourth Proportional to 968.46, 1,454.25 and 887.34

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Solution

The fourth proportional to 968.46, 1,454.25 and 887.34 is: 1,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.46 : 1,454.25 = 887.34 : x
  2. Step 2: Convert to fraction form
    968.46/1,454.25 = 887.34/x
  3. Step 3: Cross multiply
    968.46x = 1,454.25 × 887.34
  4. Step 4: Simplify right side
    968.46x = 1,290,414.20
  5. Step 5: Solve for x
    x = 1,290,414.20/968.46
  6. Step 6: Final answer
    x = 1,332.44

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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.