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Finding the Fourth Proportional to 5,882.79, 8,826.21 and 2,958.69

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Solution

The fourth proportional to 5,882.79, 8,826.21 and 2,958.69 is: 4,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,882.79 : 8,826.21 = 2,958.69 : x
  2. Step 2: Convert to fraction form
    5,882.79/8,826.21 = 2,958.69/x
  3. Step 3: Cross multiply
    5,882.79x = 8,826.21 × 2,958.69
  4. Step 4: Simplify right side
    5,882.79x = 26,114,019.26
  5. Step 5: Solve for x
    x = 26,114,019.26/5,882.79
  6. Step 6: Final answer
    x = 4,439.05

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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.