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Finding the Fourth Proportional to 15,908.12, 23,844.18 and 8,100.44

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Solution

The fourth proportional to 15,908.12, 23,844.18 and 8,100.44 is: 12,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.12 : 23,844.18 = 8,100.44 : x
  2. Step 2: Convert to fraction form
    15,908.12/23,844.18 = 8,100.44/x
  3. Step 3: Cross multiply
    15,908.12x = 23,844.18 × 8,100.44
  4. Step 4: Simplify right side
    15,908.12x = 193,148,349.44
  5. Step 5: Solve for x
    x = 193,148,349.44/15,908.12
  6. Step 6: Final answer
    x = 12,141.49

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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.