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Finding the Fourth Proportional to 2,564.92, 3,848.10 and 834.04

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Solution

The fourth proportional to 2,564.92, 3,848.10 and 834.04 is: 1,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.92 : 3,848.10 = 834.04 : x
  2. Step 2: Convert to fraction form
    2,564.92/3,848.10 = 834.04/x
  3. Step 3: Cross multiply
    2,564.92x = 3,848.10 × 834.04
  4. Step 4: Simplify right side
    2,564.92x = 3,209,469.32
  5. Step 5: Solve for x
    x = 3,209,469.32/2,564.92
  6. Step 6: Final answer
    x = 1,251.29

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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.