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Finding the Fourth Proportional to 2,295.15, 3,443.18 and 834.11

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Solution

The fourth proportional to 2,295.15, 3,443.18 and 834.11 is: 1,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.15 : 3,443.18 = 834.11 : x
  2. Step 2: Convert to fraction form
    2,295.15/3,443.18 = 834.11/x
  3. Step 3: Cross multiply
    2,295.15x = 3,443.18 × 834.11
  4. Step 4: Simplify right side
    2,295.15x = 2,871,982.40
  5. Step 5: Solve for x
    x = 2,871,982.40/2,295.15
  6. Step 6: Final answer
    x = 1,251.33

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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.