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Finding the Fourth Proportional to 8,348.68, 12,524.55 and 2,802.61

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Solution

The fourth proportional to 8,348.68, 12,524.55 and 2,802.61 is: 4,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.68 : 12,524.55 = 2,802.61 : x
  2. Step 2: Convert to fraction form
    8,348.68/12,524.55 = 2,802.61/x
  3. Step 3: Cross multiply
    8,348.68x = 12,524.55 × 2,802.61
  4. Step 4: Simplify right side
    8,348.68x = 35,101,429.08
  5. Step 5: Solve for x
    x = 35,101,429.08/8,348.68
  6. Step 6: Final answer
    x = 4,204.43

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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.