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Finding the Fourth Proportional to 2,532.74, 3,799.40 and 889.74

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Solution

The fourth proportional to 2,532.74, 3,799.40 and 889.74 is: 1,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,532.74 : 3,799.40 = 889.74 : x
  2. Step 2: Convert to fraction form
    2,532.74/3,799.40 = 889.74/x
  3. Step 3: Cross multiply
    2,532.74x = 3,799.40 × 889.74
  4. Step 4: Simplify right side
    2,532.74x = 3,380,473.71
  5. Step 5: Solve for x
    x = 3,380,473.71/2,532.74
  6. Step 6: Final answer
    x = 1,334.71

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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.