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Finding the Fourth Proportional to 15,309.92, 22,967.04 and 5,446.28

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Solution

The fourth proportional to 15,309.92, 22,967.04 and 5,446.28 is: 8,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.92 : 22,967.04 = 5,446.28 : x
  2. Step 2: Convert to fraction form
    15,309.92/22,967.04 = 5,446.28/x
  3. Step 3: Cross multiply
    15,309.92x = 22,967.04 × 5,446.28
  4. Step 4: Simplify right side
    15,309.92x = 125,084,930.61
  5. Step 5: Solve for x
    x = 125,084,930.61/15,309.92
  6. Step 6: Final answer
    x = 8,170.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.