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Finding the Fourth Proportional to 5,920.55, 8,873.97 and 4,757.79

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Solution

The fourth proportional to 5,920.55, 8,873.97 and 4,757.79 is: 7,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.55 : 8,873.97 = 4,757.79 : x
  2. Step 2: Convert to fraction form
    5,920.55/8,873.97 = 4,757.79/x
  3. Step 3: Cross multiply
    5,920.55x = 8,873.97 × 4,757.79
  4. Step 4: Simplify right side
    5,920.55x = 42,220,485.73
  5. Step 5: Solve for x
    x = 42,220,485.73/5,920.55
  6. Step 6: Final answer
    x = 7,131.18

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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.