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Finding the Fourth Proportional to 8,568.87, 11,824.70 and 4,791.98

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Solution

The fourth proportional to 8,568.87, 11,824.70 and 4,791.98 is: 6,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.87 : 11,824.70 = 4,791.98 : x
  2. Step 2: Convert to fraction form
    8,568.87/11,824.70 = 4,791.98/x
  3. Step 3: Cross multiply
    8,568.87x = 11,824.70 × 4,791.98
  4. Step 4: Simplify right side
    8,568.87x = 56,663,642.82
  5. Step 5: Solve for x
    x = 56,663,642.82/8,568.87
  6. Step 6: Final answer
    x = 6,612.73

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Why These Related Problems?

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