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Finding the Fourth Proportional to 17,375.58, 23,978.16 and 10,305.36

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Solution

The fourth proportional to 17,375.58, 23,978.16 and 10,305.36 is: 14,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.58 : 23,978.16 = 10,305.36 : x
  2. Step 2: Convert to fraction form
    17,375.58/23,978.16 = 10,305.36/x
  3. Step 3: Cross multiply
    17,375.58x = 23,978.16 × 10,305.36
  4. Step 4: Simplify right side
    17,375.58x = 247,103,570.94
  5. Step 5: Solve for x
    x = 247,103,570.94/17,375.58
  6. Step 6: Final answer
    x = 14,221.31

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Why These Related Problems?

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