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Finding the Fourth Proportional to 29,150.80, 43,639.80 and 26,040.40

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Solution

The fourth proportional to 29,150.80, 43,639.80 and 26,040.40 is: 38,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150.80 : 43,639.80 = 26,040.40 : x
  2. Step 2: Convert to fraction form
    29,150.80/43,639.80 = 26,040.40/x
  3. Step 3: Cross multiply
    29,150.80x = 43,639.80 × 26,040.40
  4. Step 4: Simplify right side
    29,150.80x = 1,136,397,847.92
  5. Step 5: Solve for x
    x = 1,136,397,847.92/29,150.80
  6. Step 6: Final answer
    x = 38,983.42

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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.