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Finding the Fourth Proportional to 11,856.52, 17,787.93 and 3,536.56

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Solution

The fourth proportional to 11,856.52, 17,787.93 and 3,536.56 is: 5,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.52 : 17,787.93 = 3,536.56 : x
  2. Step 2: Convert to fraction form
    11,856.52/17,787.93 = 3,536.56/x
  3. Step 3: Cross multiply
    11,856.52x = 17,787.93 × 3,536.56
  4. Step 4: Simplify right side
    11,856.52x = 62,908,081.72
  5. Step 5: Solve for x
    x = 62,908,081.72/11,856.52
  6. Step 6: Final answer
    x = 5,305.78

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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.