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Finding the Fourth Proportional to 29,103.30, 40,160.81 and 17,170.38

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Solution

The fourth proportional to 29,103.30, 40,160.81 and 17,170.38 is: 23,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103.30 : 40,160.81 = 17,170.38 : x
  2. Step 2: Convert to fraction form
    29,103.30/40,160.81 = 17,170.38/x
  3. Step 3: Cross multiply
    29,103.30x = 40,160.81 × 17,170.38
  4. Step 4: Simplify right side
    29,103.30x = 689,576,411.73
  5. Step 5: Solve for x
    x = 689,576,411.73/29,103.30
  6. Step 6: Final answer
    x = 23,694.10

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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.