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Finding the Fourth Proportional to 5,880.74, 8,816.91 and 2,759

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Solution

The fourth proportional to 5,880.74, 8,816.91 and 2,759 is: 4,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.74 : 8,816.91 = 2,759 : x
  2. Step 2: Convert to fraction form
    5,880.74/8,816.91 = 2,759/x
  3. Step 3: Cross multiply
    5,880.74x = 8,816.91 × 2,759
  4. Step 4: Simplify right side
    5,880.74x = 24,325,854.69
  5. Step 5: Solve for x
    x = 24,325,854.69/5,880.74
  6. Step 6: Final answer
    x = 4,136.53

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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.