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Finding the Fourth Proportional to 8,799.53, 13,197.20 and 3,249.86

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Solution

The fourth proportional to 8,799.53, 13,197.20 and 3,249.86 is: 4,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.53 : 13,197.20 = 3,249.86 : x
  2. Step 2: Convert to fraction form
    8,799.53/13,197.20 = 3,249.86/x
  3. Step 3: Cross multiply
    8,799.53x = 13,197.20 × 3,249.86
  4. Step 4: Simplify right side
    8,799.53x = 42,888,970.16
  5. Step 5: Solve for x
    x = 42,888,970.16/8,799.53
  6. Step 6: Final answer
    x = 4,874.01

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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.