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Finding the Fourth Proportional to 17,894.28, 26,833.08 and 6,641.78

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Solution

The fourth proportional to 17,894.28, 26,833.08 and 6,641.78 is: 9,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.28 : 26,833.08 = 6,641.78 : x
  2. Step 2: Convert to fraction form
    17,894.28/26,833.08 = 6,641.78/x
  3. Step 3: Cross multiply
    17,894.28x = 26,833.08 × 6,641.78
  4. Step 4: Simplify right side
    17,894.28x = 178,219,414.08
  5. Step 5: Solve for x
    x = 178,219,414.08/17,894.28
  6. Step 6: Final answer
    x = 9,959.58

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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.