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Finding the Fourth Proportional to 1,160.68, 1,738.99 and 966.92

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Solution

The fourth proportional to 1,160.68, 1,738.99 and 966.92 is: 1,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.68 : 1,738.99 = 966.92 : x
  2. Step 2: Convert to fraction form
    1,160.68/1,738.99 = 966.92/x
  3. Step 3: Cross multiply
    1,160.68x = 1,738.99 × 966.92
  4. Step 4: Simplify right side
    1,160.68x = 1,681,470.98
  5. Step 5: Solve for x
    x = 1,681,470.98/1,160.68
  6. Step 6: Final answer
    x = 1,448.69

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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.