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Finding the Fourth Proportional to 18,449.82, 27,669.06 and 17,443.80

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Solution

The fourth proportional to 18,449.82, 27,669.06 and 17,443.80 is: 26,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.82 : 27,669.06 = 17,443.80 : x
  2. Step 2: Convert to fraction form
    18,449.82/27,669.06 = 17,443.80/x
  3. Step 3: Cross multiply
    18,449.82x = 27,669.06 × 17,443.80
  4. Step 4: Simplify right side
    18,449.82x = 482,653,548.83
  5. Step 5: Solve for x
    x = 482,653,548.83/18,449.82
  6. Step 6: Final answer
    x = 26,160.34

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1.5x scale

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.