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Finding the Fourth Proportional to 5,880.79, 8,821.20 and 2,593.90

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Solution

The fourth proportional to 5,880.79, 8,821.20 and 2,593.90 is: 3,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.79 : 8,821.20 = 2,593.90 : x
  2. Step 2: Convert to fraction form
    5,880.79/8,821.20 = 2,593.90/x
  3. Step 3: Cross multiply
    5,880.79x = 8,821.20 × 2,593.90
  4. Step 4: Simplify right side
    5,880.79x = 22,881,310.68
  5. Step 5: Solve for x
    x = 22,881,310.68/5,880.79
  6. Step 6: Final answer
    x = 3,890.86

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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.