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Finding the Fourth Proportional to 18,353.43, 27,398.30 and 17,052.48

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Solution

The fourth proportional to 18,353.43, 27,398.30 and 17,052.48 is: 25,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.43 : 27,398.30 = 17,052.48 : x
  2. Step 2: Convert to fraction form
    18,353.43/27,398.30 = 17,052.48/x
  3. Step 3: Cross multiply
    18,353.43x = 27,398.30 × 17,052.48
  4. Step 4: Simplify right side
    18,353.43x = 467,208,877.52
  5. Step 5: Solve for x
    x = 467,208,877.52/18,353.43
  6. Step 6: Final answer
    x = 25,456.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.