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Finding the Fourth Proportional to 17,250.71, 25,854.41 and 7,378.38

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Solution

The fourth proportional to 17,250.71, 25,854.41 and 7,378.38 is: 11,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,250.71 : 25,854.41 = 7,378.38 : x
  2. Step 2: Convert to fraction form
    17,250.71/25,854.41 = 7,378.38/x
  3. Step 3: Cross multiply
    17,250.71x = 25,854.41 × 7,378.38
  4. Step 4: Simplify right side
    17,250.71x = 190,763,680.10
  5. Step 5: Solve for x
    x = 190,763,680.10/17,250.71
  6. Step 6: Final answer
    x = 11,058.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.