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Finding the Fourth Proportional to 29,357.32, 43,979.32 and 17,520.56

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Solution

The fourth proportional to 29,357.32, 43,979.32 and 17,520.56 is: 26,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,357.32 : 43,979.32 = 17,520.56 : x
  2. Step 2: Convert to fraction form
    29,357.32/43,979.32 = 17,520.56/x
  3. Step 3: Cross multiply
    29,357.32x = 43,979.32 × 17,520.56
  4. Step 4: Simplify right side
    29,357.32x = 770,542,314.82
  5. Step 5: Solve for x
    x = 770,542,314.82/29,357.32
  6. Step 6: Final answer
    x = 26,247.03

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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.