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Finding the Fourth Proportional to 64,474.24, 88,974.48 and 36,179.92

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Solution

The fourth proportional to 64,474.24, 88,974.48 and 36,179.92 is: 49,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,474.24 : 88,974.48 = 36,179.92 : x
  2. Step 2: Convert to fraction form
    64,474.24/88,974.48 = 36,179.92/x
  3. Step 3: Cross multiply
    64,474.24x = 88,974.48 × 36,179.92
  4. Step 4: Simplify right side
    64,474.24x = 3,219,089,568.44
  5. Step 5: Solve for x
    x = 3,219,089,568.44/64,474.24
  6. Step 6: Final answer
    x = 49,928.31

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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.