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Finding the Fourth Proportional to 26,651.16, 39,933 and 9,111.42

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Solution

The fourth proportional to 26,651.16, 39,933 and 9,111.42 is: 13,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.16 : 39,933 = 9,111.42 : x
  2. Step 2: Convert to fraction form
    26,651.16/39,933 = 9,111.42/x
  3. Step 3: Cross multiply
    26,651.16x = 39,933 × 9,111.42
  4. Step 4: Simplify right side
    26,651.16x = 363,846,334.86
  5. Step 5: Solve for x
    x = 363,846,334.86/26,651.16
  6. Step 6: Final answer
    x = 13,652.18

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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.