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Finding the Fourth Proportional to 29,321.52, 43,982.30 and 8,261.56

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Solution

The fourth proportional to 29,321.52, 43,982.30 and 8,261.56 is: 12,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.52 : 43,982.30 = 8,261.56 : x
  2. Step 2: Convert to fraction form
    29,321.52/43,982.30 = 8,261.56/x
  3. Step 3: Cross multiply
    29,321.52x = 43,982.30 × 8,261.56
  4. Step 4: Simplify right side
    29,321.52x = 363,362,410.39
  5. Step 5: Solve for x
    x = 363,362,410.39/29,321.52
  6. Step 6: Final answer
    x = 12,392.35

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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.