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Finding the Fourth Proportional to 17,422.78, 26,125.94 and 6,754.13

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Solution

The fourth proportional to 17,422.78, 26,125.94 and 6,754.13 is: 10,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,422.78 : 26,125.94 = 6,754.13 : x
  2. Step 2: Convert to fraction form
    17,422.78/26,125.94 = 6,754.13/x
  3. Step 3: Cross multiply
    17,422.78x = 26,125.94 × 6,754.13
  4. Step 4: Simplify right side
    17,422.78x = 176,458,026.68
  5. Step 5: Solve for x
    x = 176,458,026.68/17,422.78
  6. Step 6: Final answer
    x = 10,128.01

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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.