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Finding the Fourth Proportional to 17,562.25, 26,343.39 and 7,174

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Solution

The fourth proportional to 17,562.25, 26,343.39 and 7,174 is: 10,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,562.25 : 26,343.39 = 7,174 : x
  2. Step 2: Convert to fraction form
    17,562.25/26,343.39 = 7,174/x
  3. Step 3: Cross multiply
    17,562.25x = 26,343.39 × 7,174
  4. Step 4: Simplify right side
    17,562.25x = 188,987,479.86
  5. Step 5: Solve for x
    x = 188,987,479.86/17,562.25
  6. Step 6: Final answer
    x = 10,761.01

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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.