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Finding the Fourth Proportional to 64,474.62, 88,975.02 and 36,180.30

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Solution

The fourth proportional to 64,474.62, 88,975.02 and 36,180.30 is: 49,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,474.62 : 88,975.02 = 36,180.30 : x
  2. Step 2: Convert to fraction form
    64,474.62/88,975.02 = 36,180.30/x
  3. Step 3: Cross multiply
    64,474.62x = 88,975.02 × 36,180.30
  4. Step 4: Simplify right side
    64,474.62x = 3,219,143,385.44
  5. Step 5: Solve for x
    x = 3,219,143,385.44/64,474.62
  6. Step 6: Final answer
    x = 49,928.85

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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.