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Finding the Fourth Proportional to 17,193.51, 25,781.02 and 5,342.20

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Solution

The fourth proportional to 17,193.51, 25,781.02 and 5,342.20 is: 8,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.51 : 25,781.02 = 5,342.20 : x
  2. Step 2: Convert to fraction form
    17,193.51/25,781.02 = 5,342.20/x
  3. Step 3: Cross multiply
    17,193.51x = 25,781.02 × 5,342.20
  4. Step 4: Simplify right side
    17,193.51x = 137,727,287.24
  5. Step 5: Solve for x
    x = 137,727,287.24/17,193.51
  6. Step 6: Final answer
    x = 8,010.42

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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.