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Finding the Fourth Proportional to 22,478.80, 33,717.90 and 17,552.48

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Solution

The fourth proportional to 22,478.80, 33,717.90 and 17,552.48 is: 26,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.80 : 33,717.90 = 17,552.48 : x
  2. Step 2: Convert to fraction form
    22,478.80/33,717.90 = 17,552.48/x
  3. Step 3: Cross multiply
    22,478.80x = 33,717.90 × 17,552.48
  4. Step 4: Simplify right side
    22,478.80x = 591,832,765.39
  5. Step 5: Solve for x
    x = 591,832,765.39/22,478.80
  6. Step 6: Final answer
    x = 26,328.49

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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.