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Finding the Fourth Proportional to 17,773.80, 26,651.58 and 10,392.68

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Solution

The fourth proportional to 17,773.80, 26,651.58 and 10,392.68 is: 15,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,773.80 : 26,651.58 = 10,392.68 : x
  2. Step 2: Convert to fraction form
    17,773.80/26,651.58 = 10,392.68/x
  3. Step 3: Cross multiply
    17,773.80x = 26,651.58 × 10,392.68
  4. Step 4: Simplify right side
    17,773.80x = 276,981,209.18
  5. Step 5: Solve for x
    x = 276,981,209.18/17,773.80
  6. Step 6: Final answer
    x = 15,583.68

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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.