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Finding the Fourth Proportional to 32,008.70, 44,163.15 and 20,678.65

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Solution

The fourth proportional to 32,008.70, 44,163.15 and 20,678.65 is: 28,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,008.70 : 44,163.15 = 20,678.65 : x
  2. Step 2: Convert to fraction form
    32,008.70/44,163.15 = 20,678.65/x
  3. Step 3: Cross multiply
    32,008.70x = 44,163.15 × 20,678.65
  4. Step 4: Simplify right side
    32,008.70x = 913,234,321.75
  5. Step 5: Solve for x
    x = 913,234,321.75/32,008.70
  6. Step 6: Final answer
    x = 28,530.82

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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.