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Finding the Fourth Proportional to 26,527.99, 39,785.91 and 11,728.90

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Solution

The fourth proportional to 26,527.99, 39,785.91 and 11,728.90 is: 17,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,527.99 : 39,785.91 = 11,728.90 : x
  2. Step 2: Convert to fraction form
    26,527.99/39,785.91 = 11,728.90/x
  3. Step 3: Cross multiply
    26,527.99x = 39,785.91 × 11,728.90
  4. Step 4: Simplify right side
    26,527.99x = 466,644,959.80
  5. Step 5: Solve for x
    x = 466,644,959.80/26,527.99
  6. Step 6: Final answer
    x = 17,590.66

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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.