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Finding the Fourth Proportional to 5,873.92, 8,812.40 and 2,587.95

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Solution

The fourth proportional to 5,873.92, 8,812.40 and 2,587.95 is: 3,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.92 : 8,812.40 = 2,587.95 : x
  2. Step 2: Convert to fraction form
    5,873.92/8,812.40 = 2,587.95/x
  3. Step 3: Cross multiply
    5,873.92x = 8,812.40 × 2,587.95
  4. Step 4: Simplify right side
    5,873.92x = 22,806,037.64
  5. Step 5: Solve for x
    x = 22,806,037.64/5,873.92
  6. Step 6: Final answer
    x = 3,882.59

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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.