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Finding the Fourth Proportional to 36,988, 55,489.29 and 12,026.44

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Solution

The fourth proportional to 36,988, 55,489.29 and 12,026.44 is: 18,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988 : 55,489.29 = 12,026.44 : x
  2. Step 2: Convert to fraction form
    36,988/55,489.29 = 12,026.44/x
  3. Step 3: Cross multiply
    36,988x = 55,489.29 × 12,026.44
  4. Step 4: Simplify right side
    36,988x = 667,338,616.83
  5. Step 5: Solve for x
    x = 667,338,616.83/36,988
  6. Step 6: Final answer
    x = 18,042.03

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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.