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Finding the Fourth Proportional to 45,481.83, 68,235.71 and 33,014.31

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Solution

The fourth proportional to 45,481.83, 68,235.71 and 33,014.31 is: 49,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.83 : 68,235.71 = 33,014.31 : x
  2. Step 2: Convert to fraction form
    45,481.83/68,235.71 = 33,014.31/x
  3. Step 3: Cross multiply
    45,481.83x = 68,235.71 × 33,014.31
  4. Step 4: Simplify right side
    45,481.83x = 2,252,754,717.94
  5. Step 5: Solve for x
    x = 2,252,754,717.94/45,481.83
  6. Step 6: Final answer
    x = 49,530.87

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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.