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Finding the Fourth Proportional to 69,819.68, 96,324.24 and 49,670.24

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Solution

The fourth proportional to 69,819.68, 96,324.24 and 49,670.24 is: 68,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,819.68 : 96,324.24 = 49,670.24 : x
  2. Step 2: Convert to fraction form
    69,819.68/96,324.24 = 49,670.24/x
  3. Step 3: Cross multiply
    69,819.68x = 96,324.24 × 49,670.24
  4. Step 4: Simplify right side
    69,819.68x = 4,784,448,118.62
  5. Step 5: Solve for x
    x = 4,784,448,118.62/69,819.68
  6. Step 6: Final answer
    x = 68,525.78

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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.