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Finding the Fourth Proportional to 63,268.74, 87,310.94 and 36,410.76

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Solution

The fourth proportional to 63,268.74, 87,310.94 and 36,410.76 is: 50,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,268.74 : 87,310.94 = 36,410.76 : x
  2. Step 2: Convert to fraction form
    63,268.74/87,310.94 = 36,410.76/x
  3. Step 3: Cross multiply
    63,268.74x = 87,310.94 × 36,410.76
  4. Step 4: Simplify right side
    63,268.74x = 3,179,057,499.66
  5. Step 5: Solve for x
    x = 3,179,057,499.66/63,268.74
  6. Step 6: Final answer
    x = 50,246.89

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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.