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Finding the Fourth Proportional to 18,175.47, 25,081.49 and 10,218.44

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Solution

The fourth proportional to 18,175.47, 25,081.49 and 10,218.44 is: 14,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.47 : 25,081.49 = 10,218.44 : x
  2. Step 2: Convert to fraction form
    18,175.47/25,081.49 = 10,218.44/x
  3. Step 3: Cross multiply
    18,175.47x = 25,081.49 × 10,218.44
  4. Step 4: Simplify right side
    18,175.47x = 256,293,700.68
  5. Step 5: Solve for x
    x = 256,293,700.68/18,175.47
  6. Step 6: Final answer
    x = 14,101.08

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