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Finding the Fourth Proportional to 966.92, 1,334.40 and 552.92

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Solution

The fourth proportional to 966.92, 1,334.40 and 552.92 is: 763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.92 : 1,334.40 = 552.92 : x
  2. Step 2: Convert to fraction form
    966.92/1,334.40 = 552.92/x
  3. Step 3: Cross multiply
    966.92x = 1,334.40 × 552.92
  4. Step 4: Simplify right side
    966.92x = 737,816.45
  5. Step 5: Solve for x
    x = 737,816.45/966.92
  6. Step 6: Final answer
    x = 763.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.