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Finding the Fourth Proportional to 8,593.56, 12,889.50 and 2,748.60

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Solution

The fourth proportional to 8,593.56, 12,889.50 and 2,748.60 is: 4,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.56 : 12,889.50 = 2,748.60 : x
  2. Step 2: Convert to fraction form
    8,593.56/12,889.50 = 2,748.60/x
  3. Step 3: Cross multiply
    8,593.56x = 12,889.50 × 2,748.60
  4. Step 4: Simplify right side
    8,593.56x = 35,428,079.70
  5. Step 5: Solve for x
    x = 35,428,079.70/8,593.56
  6. Step 6: Final answer
    x = 4,122.63

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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.