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Finding the Fourth Proportional to 8,063.28, 12,095.28 and 2,869.56

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Solution

The fourth proportional to 8,063.28, 12,095.28 and 2,869.56 is: 4,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.28 : 12,095.28 = 2,869.56 : x
  2. Step 2: Convert to fraction form
    8,063.28/12,095.28 = 2,869.56/x
  3. Step 3: Cross multiply
    8,063.28x = 12,095.28 × 2,869.56
  4. Step 4: Simplify right side
    8,063.28x = 34,708,131.68
  5. Step 5: Solve for x
    x = 34,708,131.68/8,063.28
  6. Step 6: Final answer
    x = 4,304.47

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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.