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Finding the Fourth Proportional to 69,695.92, 104,561.48 and 30,243.44

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Solution

The fourth proportional to 69,695.92, 104,561.48 and 30,243.44 is: 45,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,695.92 : 104,561.48 = 30,243.44 : x
  2. Step 2: Convert to fraction form
    69,695.92/104,561.48 = 30,243.44/x
  3. Step 3: Cross multiply
    69,695.92x = 104,561.48 × 30,243.44
  4. Step 4: Simplify right side
    69,695.92x = 3,162,298,846.69
  5. Step 5: Solve for x
    x = 3,162,298,846.69/69,695.92
  6. Step 6: Final answer
    x = 45,372.80

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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.