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Finding the Fourth Proportional to 2,132.84, 3,199.80 and 834.14

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Solution

The fourth proportional to 2,132.84, 3,199.80 and 834.14 is: 1,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.84 : 3,199.80 = 834.14 : x
  2. Step 2: Convert to fraction form
    2,132.84/3,199.80 = 834.14/x
  3. Step 3: Cross multiply
    2,132.84x = 3,199.80 × 834.14
  4. Step 4: Simplify right side
    2,132.84x = 2,669,081.17
  5. Step 5: Solve for x
    x = 2,669,081.17/2,132.84
  6. Step 6: Final answer
    x = 1,251.42

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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.