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Finding the Fourth Proportional to 29,019.62, 43,529.43 and 8,240.42

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Solution

The fourth proportional to 29,019.62, 43,529.43 and 8,240.42 is: 12,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.62 : 43,529.43 = 8,240.42 : x
  2. Step 2: Convert to fraction form
    29,019.62/43,529.43 = 8,240.42/x
  3. Step 3: Cross multiply
    29,019.62x = 43,529.43 × 8,240.42
  4. Step 4: Simplify right side
    29,019.62x = 358,700,785.56
  5. Step 5: Solve for x
    x = 358,700,785.56/29,019.62
  6. Step 6: Final answer
    x = 12,360.63

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Similar ratio
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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.