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Finding the Fourth Proportional to 17,217.26, 25,809.48 and 7,342.94

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Solution

The fourth proportional to 17,217.26, 25,809.48 and 7,342.94 is: 11,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.26 : 25,809.48 = 7,342.94 : x
  2. Step 2: Convert to fraction form
    17,217.26/25,809.48 = 7,342.94/x
  3. Step 3: Cross multiply
    17,217.26x = 25,809.48 × 7,342.94
  4. Step 4: Simplify right side
    17,217.26x = 189,517,463.07
  5. Step 5: Solve for x
    x = 189,517,463.07/17,217.26
  6. Step 6: Final answer
    x = 11,007.41

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1.5x scale

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.