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Finding the Fourth Proportional to 1,463.38, 2,019.46 and 966.85

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Solution

The fourth proportional to 1,463.38, 2,019.46 and 966.85 is: 1,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.38 : 2,019.46 = 966.85 : x
  2. Step 2: Convert to fraction form
    1,463.38/2,019.46 = 966.85/x
  3. Step 3: Cross multiply
    1,463.38x = 2,019.46 × 966.85
  4. Step 4: Simplify right side
    1,463.38x = 1,952,514.90
  5. Step 5: Solve for x
    x = 1,952,514.90/1,463.38
  6. Step 6: Final answer
    x = 1,334.25

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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.