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Finding the Fourth Proportional to 17,943.92, 26,919.48 and 6,254

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Solution

The fourth proportional to 17,943.92, 26,919.48 and 6,254 is: 9,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.92 : 26,919.48 = 6,254 : x
  2. Step 2: Convert to fraction form
    17,943.92/26,919.48 = 6,254/x
  3. Step 3: Cross multiply
    17,943.92x = 26,919.48 × 6,254
  4. Step 4: Simplify right side
    17,943.92x = 168,354,427.92
  5. Step 5: Solve for x
    x = 168,354,427.92/17,943.92
  6. Step 6: Final answer
    x = 9,382.25

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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.