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Finding the Fourth Proportional to 25,856.82, 35,682.12 and 15,249.87

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Solution

The fourth proportional to 25,856.82, 35,682.12 and 15,249.87 is: 21,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.82 : 35,682.12 = 15,249.87 : x
  2. Step 2: Convert to fraction form
    25,856.82/35,682.12 = 15,249.87/x
  3. Step 3: Cross multiply
    25,856.82x = 35,682.12 × 15,249.87
  4. Step 4: Simplify right side
    25,856.82x = 544,147,691.32
  5. Step 5: Solve for x
    x = 544,147,691.32/25,856.82
  6. Step 6: Final answer
    x = 21,044.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.