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Finding the Fourth Proportional to 15,832.32, 21,848 and 8,759.04

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Solution

The fourth proportional to 15,832.32, 21,848 and 8,759.04 is: 12,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.32 : 21,848 = 8,759.04 : x
  2. Step 2: Convert to fraction form
    15,832.32/21,848 = 8,759.04/x
  3. Step 3: Cross multiply
    15,832.32x = 21,848 × 8,759.04
  4. Step 4: Simplify right side
    15,832.32x = 191,367,505.92
  5. Step 5: Solve for x
    x = 191,367,505.92/15,832.32
  6. Step 6: Final answer
    x = 12,087.14

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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.