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Finding the Fourth Proportional to 18,967.80, 26,175.15 and 10,901.46

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Solution

The fourth proportional to 18,967.80, 26,175.15 and 10,901.46 is: 15,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.80 : 26,175.15 = 10,901.46 : x
  2. Step 2: Convert to fraction form
    18,967.80/26,175.15 = 10,901.46/x
  3. Step 3: Cross multiply
    18,967.80x = 26,175.15 × 10,901.46
  4. Step 4: Simplify right side
    18,967.80x = 285,347,350.72
  5. Step 5: Solve for x
    x = 285,347,350.72/18,967.80
  6. Step 6: Final answer
    x = 15,043.78

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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.