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Finding the Fourth Proportional to 16,864.80, 25,304.40 and 8,095.20

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Solution

The fourth proportional to 16,864.80, 25,304.40 and 8,095.20 is: 12,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.80 : 25,304.40 = 8,095.20 : x
  2. Step 2: Convert to fraction form
    16,864.80/25,304.40 = 8,095.20/x
  3. Step 3: Cross multiply
    16,864.80x = 25,304.40 × 8,095.20
  4. Step 4: Simplify right side
    16,864.80x = 204,844,178.88
  5. Step 5: Solve for x
    x = 204,844,178.88/16,864.80
  6. Step 6: Final answer
    x = 12,146.26

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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.