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Finding the Fourth Proportional to 8,568.29, 11,825.78 and 5,031.69

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Solution

The fourth proportional to 8,568.29, 11,825.78 and 5,031.69 is: 6,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.29 : 11,825.78 = 5,031.69 : x
  2. Step 2: Convert to fraction form
    8,568.29/11,825.78 = 5,031.69/x
  3. Step 3: Cross multiply
    8,568.29x = 11,825.78 × 5,031.69
  4. Step 4: Simplify right side
    8,568.29x = 59,503,633.81
  5. Step 5: Solve for x
    x = 59,503,633.81/8,568.29
  6. Step 6: Final answer
    x = 6,944.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.