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Finding the Fourth Proportional to 8,568.66, 12,844.24 and 4,863.06

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Solution

The fourth proportional to 8,568.66, 12,844.24 and 4,863.06 is: 7,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.66 : 12,844.24 = 4,863.06 : x
  2. Step 2: Convert to fraction form
    8,568.66/12,844.24 = 4,863.06/x
  3. Step 3: Cross multiply
    8,568.66x = 12,844.24 × 4,863.06
  4. Step 4: Simplify right side
    8,568.66x = 62,462,309.77
  5. Step 5: Solve for x
    x = 62,462,309.77/8,568.66
  6. Step 6: Final answer
    x = 7,289.62

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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.