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Finding the Fourth Proportional to 17,375.70, 26,051.20 and 14,081.53

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Solution

The fourth proportional to 17,375.70, 26,051.20 and 14,081.53 is: 21,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.70 : 26,051.20 = 14,081.53 : x
  2. Step 2: Convert to fraction form
    17,375.70/26,051.20 = 14,081.53/x
  3. Step 3: Cross multiply
    17,375.70x = 26,051.20 × 14,081.53
  4. Step 4: Simplify right side
    17,375.70x = 366,840,754.34
  5. Step 5: Solve for x
    x = 366,840,754.34/17,375.70
  6. Step 6: Final answer
    x = 21,112.29

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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.