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Finding the Fourth Proportional to 29,057.38, 40,098.81 and 17,121.22

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Solution

The fourth proportional to 29,057.38, 40,098.81 and 17,121.22 is: 23,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,057.38 : 40,098.81 = 17,121.22 : x
  2. Step 2: Convert to fraction form
    29,057.38/40,098.81 = 17,121.22/x
  3. Step 3: Cross multiply
    29,057.38x = 40,098.81 × 17,121.22
  4. Step 4: Simplify right side
    29,057.38x = 686,540,547.75
  5. Step 5: Solve for x
    x = 686,540,547.75/29,057.38
  6. Step 6: Final answer
    x = 23,627.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.