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Finding the Fourth Proportional to 63,213.92, 87,231.84 and 36,352.16

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Solution

The fourth proportional to 63,213.92, 87,231.84 and 36,352.16 is: 50,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.92 : 87,231.84 = 36,352.16 : x
  2. Step 2: Convert to fraction form
    63,213.92/87,231.84 = 36,352.16/x
  3. Step 3: Cross multiply
    63,213.92x = 87,231.84 × 36,352.16
  4. Step 4: Simplify right side
    63,213.92x = 3,171,065,804.77
  5. Step 5: Solve for x
    x = 3,171,065,804.77/63,213.92
  6. Step 6: Final answer
    x = 50,164.04

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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.