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Finding the Fourth Proportional to 27,082.60, 40,544.70 and 19,306.60

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Solution

The fourth proportional to 27,082.60, 40,544.70 and 19,306.60 is: 28,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,082.60 : 40,544.70 = 19,306.60 : x
  2. Step 2: Convert to fraction form
    27,082.60/40,544.70 = 19,306.60/x
  3. Step 3: Cross multiply
    27,082.60x = 40,544.70 × 19,306.60
  4. Step 4: Simplify right side
    27,082.60x = 782,780,305.02
  5. Step 5: Solve for x
    x = 782,780,305.02/27,082.60
  6. Step 6: Final answer
    x = 28,903.44

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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.