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Finding the Fourth Proportional to 63,321.44, 87,345.51 and 41,811.38

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Solution

The fourth proportional to 63,321.44, 87,345.51 and 41,811.38 is: 57,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,321.44 : 87,345.51 = 41,811.38 : x
  2. Step 2: Convert to fraction form
    63,321.44/87,345.51 = 41,811.38/x
  3. Step 3: Cross multiply
    63,321.44x = 87,345.51 × 41,811.38
  4. Step 4: Simplify right side
    63,321.44x = 3,652,036,309.90
  5. Step 5: Solve for x
    x = 3,652,036,309.90/63,321.44
  6. Step 6: Final answer
    x = 57,674.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.