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Finding the Fourth Proportional to 5,873.59, 8,793.10 and 3,920.95

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Solution

The fourth proportional to 5,873.59, 8,793.10 and 3,920.95 is: 5,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.59 : 8,793.10 = 3,920.95 : x
  2. Step 2: Convert to fraction form
    5,873.59/8,793.10 = 3,920.95/x
  3. Step 3: Cross multiply
    5,873.59x = 8,793.10 × 3,920.95
  4. Step 4: Simplify right side
    5,873.59x = 34,477,305.45
  5. Step 5: Solve for x
    x = 34,477,305.45/5,873.59
  6. Step 6: Final answer
    x = 5,869.89

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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.