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Finding the Fourth Proportional to 1,463.60, 2,193.46 and 876.71

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Solution

The fourth proportional to 1,463.60, 2,193.46 and 876.71 is: 1,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.60 : 2,193.46 = 876.71 : x
  2. Step 2: Convert to fraction form
    1,463.60/2,193.46 = 876.71/x
  3. Step 3: Cross multiply
    1,463.60x = 2,193.46 × 876.71
  4. Step 4: Simplify right side
    1,463.60x = 1,923,015.16
  5. Step 5: Solve for x
    x = 1,923,015.16/1,463.60
  6. Step 6: Final answer
    x = 1,313.90

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1.5x scale

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.