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Finding the Fourth Proportional to 5,777.80, 8,667 and 1,882.48

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Solution

The fourth proportional to 5,777.80, 8,667 and 1,882.48 is: 2,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.80 : 8,667 = 1,882.48 : x
  2. Step 2: Convert to fraction form
    5,777.80/8,667 = 1,882.48/x
  3. Step 3: Cross multiply
    5,777.80x = 8,667 × 1,882.48
  4. Step 4: Simplify right side
    5,777.80x = 16,315,454.16
  5. Step 5: Solve for x
    x = 16,315,454.16/5,777.80
  6. Step 6: Final answer
    x = 2,823.82

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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.