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Finding the Fourth Proportional to 15,541.20, 23,311.80 and 14,617.80

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Solution

The fourth proportional to 15,541.20, 23,311.80 and 14,617.80 is: 21,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.20 : 23,311.80 = 14,617.80 : x
  2. Step 2: Convert to fraction form
    15,541.20/23,311.80 = 14,617.80/x
  3. Step 3: Cross multiply
    15,541.20x = 23,311.80 × 14,617.80
  4. Step 4: Simplify right side
    15,541.20x = 340,767,230.04
  5. Step 5: Solve for x
    x = 340,767,230.04/15,541.20
  6. Step 6: Final answer
    x = 21,926.70

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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.