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Finding the Fourth Proportional to 8,797.20, 13,177.40 and 4,121.20

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Solution

The fourth proportional to 8,797.20, 13,177.40 and 4,121.20 is: 6,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.20 : 13,177.40 = 4,121.20 : x
  2. Step 2: Convert to fraction form
    8,797.20/13,177.40 = 4,121.20/x
  3. Step 3: Cross multiply
    8,797.20x = 13,177.40 × 4,121.20
  4. Step 4: Simplify right side
    8,797.20x = 54,306,700.88
  5. Step 5: Solve for x
    x = 54,306,700.88/8,797.20
  6. Step 6: Final answer
    x = 6,173.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.