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Finding the Fourth Proportional to 69,162.32, 95,448.84 and 39,354.32

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Solution

The fourth proportional to 69,162.32, 95,448.84 and 39,354.32 is: 54,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,162.32 : 95,448.84 = 39,354.32 : x
  2. Step 2: Convert to fraction form
    69,162.32/95,448.84 = 39,354.32/x
  3. Step 3: Cross multiply
    69,162.32x = 95,448.84 × 39,354.32
  4. Step 4: Simplify right side
    69,162.32x = 3,756,324,192.99
  5. Step 5: Solve for x
    x = 3,756,324,192.99/69,162.32
  6. Step 6: Final answer
    x = 54,311.71

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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.