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Finding the Fourth Proportional to 17,342.28, 23,916.60 and 11,672.28

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Solution

The fourth proportional to 17,342.28, 23,916.60 and 11,672.28 is: 16,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,342.28 : 23,916.60 = 11,672.28 : x
  2. Step 2: Convert to fraction form
    17,342.28/23,916.60 = 11,672.28/x
  3. Step 3: Cross multiply
    17,342.28x = 23,916.60 × 11,672.28
  4. Step 4: Simplify right side
    17,342.28x = 279,161,251.85
  5. Step 5: Solve for x
    x = 279,161,251.85/17,342.28
  6. Step 6: Final answer
    x = 16,097.15

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1.5x scale

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.