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Finding the Fourth Proportional to 15,967.92, 22,036.68 and 9,251.40

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Solution

The fourth proportional to 15,967.92, 22,036.68 and 9,251.40 is: 12,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.92 : 22,036.68 = 9,251.40 : x
  2. Step 2: Convert to fraction form
    15,967.92/22,036.68 = 9,251.40/x
  3. Step 3: Cross multiply
    15,967.92x = 22,036.68 × 9,251.40
  4. Step 4: Simplify right side
    15,967.92x = 203,870,141.35
  5. Step 5: Solve for x
    x = 203,870,141.35/15,967.92
  6. Step 6: Final answer
    x = 12,767.48

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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.