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Finding the Fourth Proportional to 8,599.89, 11,869.97 and 5,244.56

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Solution

The fourth proportional to 8,599.89, 11,869.97 and 5,244.56 is: 7,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.89 : 11,869.97 = 5,244.56 : x
  2. Step 2: Convert to fraction form
    8,599.89/11,869.97 = 5,244.56/x
  3. Step 3: Cross multiply
    8,599.89x = 11,869.97 × 5,244.56
  4. Step 4: Simplify right side
    8,599.89x = 62,252,684.29
  5. Step 5: Solve for x
    x = 62,252,684.29/8,599.89
  6. Step 6: Final answer
    x = 7,238.78

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1.5x scale

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.