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Finding the Fourth Proportional to 32,972.46, 49,458.01 and 8,012.64

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Solution

The fourth proportional to 32,972.46, 49,458.01 and 8,012.64 is: 12,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,972.46 : 49,458.01 = 8,012.64 : x
  2. Step 2: Convert to fraction form
    32,972.46/49,458.01 = 8,012.64/x
  3. Step 3: Cross multiply
    32,972.46x = 49,458.01 × 8,012.64
  4. Step 4: Simplify right side
    32,972.46x = 396,289,229.25
  5. Step 5: Solve for x
    x = 396,289,229.25/32,972.46
  6. Step 6: Final answer
    x = 12,018.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.