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Finding the Fourth Proportional to 48,906.58, 73,344.48 and 20,826.31

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Solution

The fourth proportional to 48,906.58, 73,344.48 and 20,826.31 is: 31,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,906.58 : 73,344.48 = 20,826.31 : x
  2. Step 2: Convert to fraction form
    48,906.58/73,344.48 = 20,826.31/x
  3. Step 3: Cross multiply
    48,906.58x = 73,344.48 × 20,826.31
  4. Step 4: Simplify right side
    48,906.58x = 1,527,494,877.27
  5. Step 5: Solve for x
    x = 1,527,494,877.27/48,906.58
  6. Step 6: Final answer
    x = 31,232.91

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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.