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Finding the Fourth Proportional to 15,956.30, 22,019.10 and 8,882.58

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Solution

The fourth proportional to 15,956.30, 22,019.10 and 8,882.58 is: 12,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.30 : 22,019.10 = 8,882.58 : x
  2. Step 2: Convert to fraction form
    15,956.30/22,019.10 = 8,882.58/x
  3. Step 3: Cross multiply
    15,956.30x = 22,019.10 × 8,882.58
  4. Step 4: Simplify right side
    15,956.30x = 195,586,417.28
  5. Step 5: Solve for x
    x = 195,586,417.28/15,956.30
  6. Step 6: Final answer
    x = 12,257.63

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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.