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Finding the Fourth Proportional to 5,719.68, 8,573.70 and 2,601.90

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Solution

The fourth proportional to 5,719.68, 8,573.70 and 2,601.90 is: 3,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.68 : 8,573.70 = 2,601.90 : x
  2. Step 2: Convert to fraction form
    5,719.68/8,573.70 = 2,601.90/x
  3. Step 3: Cross multiply
    5,719.68x = 8,573.70 × 2,601.90
  4. Step 4: Simplify right side
    5,719.68x = 22,307,910.03
  5. Step 5: Solve for x
    x = 22,307,910.03/5,719.68
  6. Step 6: Final answer
    x = 3,900.20

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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.