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Finding the Fourth Proportional to 5,889.78, 8,829.20 and 2,601.11

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Solution

The fourth proportional to 5,889.78, 8,829.20 and 2,601.11 is: 3,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.78 : 8,829.20 = 2,601.11 : x
  2. Step 2: Convert to fraction form
    5,889.78/8,829.20 = 2,601.11/x
  3. Step 3: Cross multiply
    5,889.78x = 8,829.20 × 2,601.11
  4. Step 4: Simplify right side
    5,889.78x = 22,965,748.99
  5. Step 5: Solve for x
    x = 22,965,748.99/5,889.78
  6. Step 6: Final answer
    x = 3,899.25

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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.