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Finding the Fourth Proportional to 15,832.87, 21,848.74 and 8,759.14

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Solution

The fourth proportional to 15,832.87, 21,848.74 and 8,759.14 is: 12,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.87 : 21,848.74 = 8,759.14 : x
  2. Step 2: Convert to fraction form
    15,832.87/21,848.74 = 8,759.14/x
  3. Step 3: Cross multiply
    15,832.87x = 21,848.74 × 8,759.14
  4. Step 4: Simplify right side
    15,832.87x = 191,376,172.48
  5. Step 5: Solve for x
    x = 191,376,172.48/15,832.87
  6. Step 6: Final answer
    x = 12,087.27

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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.