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Finding the Fourth Proportional to 26,753.96, 40,131.33 and 12,715.42

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Solution

The fourth proportional to 26,753.96, 40,131.33 and 12,715.42 is: 19,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,753.96 : 40,131.33 = 12,715.42 : x
  2. Step 2: Convert to fraction form
    26,753.96/40,131.33 = 12,715.42/x
  3. Step 3: Cross multiply
    26,753.96x = 40,131.33 × 12,715.42
  4. Step 4: Simplify right side
    26,753.96x = 510,286,807.06
  5. Step 5: Solve for x
    x = 510,286,807.06/26,753.96
  6. Step 6: Final answer
    x = 19,073.32

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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.