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Finding the Fourth Proportional to 17,608.38, 26,414.01 and 7,220.22

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Solution

The fourth proportional to 17,608.38, 26,414.01 and 7,220.22 is: 10,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.38 : 26,414.01 = 7,220.22 : x
  2. Step 2: Convert to fraction form
    17,608.38/26,414.01 = 7,220.22/x
  3. Step 3: Cross multiply
    17,608.38x = 26,414.01 × 7,220.22
  4. Step 4: Simplify right side
    17,608.38x = 190,714,963.28
  5. Step 5: Solve for x
    x = 190,714,963.28/17,608.38
  6. Step 6: Final answer
    x = 10,830.92

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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.