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Finding the Fourth Proportional to 1,494.95, 2,239.46 and 1,168.79

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Solution

The fourth proportional to 1,494.95, 2,239.46 and 1,168.79 is: 1,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.95 : 2,239.46 = 1,168.79 : x
  2. Step 2: Convert to fraction form
    1,494.95/2,239.46 = 1,168.79/x
  3. Step 3: Cross multiply
    1,494.95x = 2,239.46 × 1,168.79
  4. Step 4: Simplify right side
    1,494.95x = 2,617,452.61
  5. Step 5: Solve for x
    x = 2,617,452.61/1,494.95
  6. Step 6: Final answer
    x = 1,750.86

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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.