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Finding the Fourth Proportional to 29,414.90, 40,572.02 and 19,340.12

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Solution

The fourth proportional to 29,414.90, 40,572.02 and 19,340.12 is: 26,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,414.90 : 40,572.02 = 19,340.12 : x
  2. Step 2: Convert to fraction form
    29,414.90/40,572.02 = 19,340.12/x
  3. Step 3: Cross multiply
    29,414.90x = 40,572.02 × 19,340.12
  4. Step 4: Simplify right side
    29,414.90x = 784,667,735.44
  5. Step 5: Solve for x
    x = 784,667,735.44/29,414.90
  6. Step 6: Final answer
    x = 26,675.86

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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.