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Finding the Fourth Proportional to 966.24, 1,454.58 and 880.12

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Solution

The fourth proportional to 966.24, 1,454.58 and 880.12 is: 1,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.24 : 1,454.58 = 880.12 : x
  2. Step 2: Convert to fraction form
    966.24/1,454.58 = 880.12/x
  3. Step 3: Cross multiply
    966.24x = 1,454.58 × 880.12
  4. Step 4: Simplify right side
    966.24x = 1,280,200.55
  5. Step 5: Solve for x
    x = 1,280,200.55/966.24
  6. Step 6: Final answer
    x = 1,324.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.