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Finding the Fourth Proportional to 69,700.92, 96,166.08 and 39,481.44

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Solution

The fourth proportional to 69,700.92, 96,166.08 and 39,481.44 is: 54,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,700.92 : 96,166.08 = 39,481.44 : x
  2. Step 2: Convert to fraction form
    69,700.92/96,166.08 = 39,481.44/x
  3. Step 3: Cross multiply
    69,700.92x = 96,166.08 × 39,481.44
  4. Step 4: Simplify right side
    69,700.92x = 3,796,775,317.56
  5. Step 5: Solve for x
    x = 3,796,775,317.56/69,700.92
  6. Step 6: Final answer
    x = 54,472.38

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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.