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Finding the Fourth Proportional to 69,327.72, 103,995.90 and 27,769.32

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Solution

The fourth proportional to 69,327.72, 103,995.90 and 27,769.32 is: 41,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,327.72 : 103,995.90 = 27,769.32 : x
  2. Step 2: Convert to fraction form
    69,327.72/103,995.90 = 27,769.32/x
  3. Step 3: Cross multiply
    69,327.72x = 103,995.90 × 27,769.32
  4. Step 4: Simplify right side
    69,327.72x = 2,887,895,425.79
  5. Step 5: Solve for x
    x = 2,887,895,425.79/69,327.72
  6. Step 6: Final answer
    x = 41,655.71

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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.