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Finding the Fourth Proportional to 6,612.76, 9,914.92 and 2,862.52

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Solution

The fourth proportional to 6,612.76, 9,914.92 and 2,862.52 is: 4,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.76 : 9,914.92 = 2,862.52 : x
  2. Step 2: Convert to fraction form
    6,612.76/9,914.92 = 2,862.52/x
  3. Step 3: Cross multiply
    6,612.76x = 9,914.92 × 2,862.52
  4. Step 4: Simplify right side
    6,612.76x = 28,381,656.80
  5. Step 5: Solve for x
    x = 28,381,656.80/6,612.76
  6. Step 6: Final answer
    x = 4,291.95

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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.