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Finding the Fourth Proportional to 8,552.28, 12,828.02 and 2,708.12

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Solution

The fourth proportional to 8,552.28, 12,828.02 and 2,708.12 is: 4,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.28 : 12,828.02 = 2,708.12 : x
  2. Step 2: Convert to fraction form
    8,552.28/12,828.02 = 2,708.12/x
  3. Step 3: Cross multiply
    8,552.28x = 12,828.02 × 2,708.12
  4. Step 4: Simplify right side
    8,552.28x = 34,739,817.52
  5. Step 5: Solve for x
    x = 34,739,817.52/8,552.28
  6. Step 6: Final answer
    x = 4,062.05

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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.