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Finding the Fourth Proportional to 18,048.88, 24,908.84 and 10,091.44

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Solution

The fourth proportional to 18,048.88, 24,908.84 and 10,091.44 is: 13,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.88 : 24,908.84 = 10,091.44 : x
  2. Step 2: Convert to fraction form
    18,048.88/24,908.84 = 10,091.44/x
  3. Step 3: Cross multiply
    18,048.88x = 24,908.84 × 10,091.44
  4. Step 4: Simplify right side
    18,048.88x = 251,366,064.33
  5. Step 5: Solve for x
    x = 251,366,064.33/18,048.88
  6. Step 6: Final answer
    x = 13,926.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.