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Finding the Fourth Proportional to 8,581.14, 12,870.63 and 2,737.26

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Solution

The fourth proportional to 8,581.14, 12,870.63 and 2,737.26 is: 4,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.14 : 12,870.63 = 2,737.26 : x
  2. Step 2: Convert to fraction form
    8,581.14/12,870.63 = 2,737.26/x
  3. Step 3: Cross multiply
    8,581.14x = 12,870.63 × 2,737.26
  4. Step 4: Simplify right side
    8,581.14x = 35,230,260.67
  5. Step 5: Solve for x
    x = 35,230,260.67/8,581.14
  6. Step 6: Final answer
    x = 4,105.55

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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.