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Finding the Fourth Proportional to 18,081.19, 24,952.08 and 10,123.75

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Solution

The fourth proportional to 18,081.19, 24,952.08 and 10,123.75 is: 13,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.19 : 24,952.08 = 10,123.75 : x
  2. Step 2: Convert to fraction form
    18,081.19/24,952.08 = 10,123.75/x
  3. Step 3: Cross multiply
    18,081.19x = 24,952.08 × 10,123.75
  4. Step 4: Simplify right side
    18,081.19x = 252,608,619.90
  5. Step 5: Solve for x
    x = 252,608,619.90/18,081.19
  6. Step 6: Final answer
    x = 13,970.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.