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Finding the Fourth Proportional to 73,866.96, 110,814.96 and 27,120.24

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Solution

The fourth proportional to 73,866.96, 110,814.96 and 27,120.24 is: 40,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.96 : 110,814.96 = 27,120.24 : x
  2. Step 2: Convert to fraction form
    73,866.96/110,814.96 = 27,120.24/x
  3. Step 3: Cross multiply
    73,866.96x = 110,814.96 × 27,120.24
  4. Step 4: Simplify right side
    73,866.96x = 3,005,328,310.79
  5. Step 5: Solve for x
    x = 3,005,328,310.79/73,866.96
  6. Step 6: Final answer
    x = 40,685.69

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1.5x scale

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.