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Finding the Fourth Proportional to 22,403.92, 33,613.44 and 9,922.24

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Solution

The fourth proportional to 22,403.92, 33,613.44 and 9,922.24 is: 14,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.92 : 33,613.44 = 9,922.24 : x
  2. Step 2: Convert to fraction form
    22,403.92/33,613.44 = 9,922.24/x
  3. Step 3: Cross multiply
    22,403.92x = 33,613.44 × 9,922.24
  4. Step 4: Simplify right side
    22,403.92x = 333,520,618.91
  5. Step 5: Solve for x
    x = 333,520,618.91/22,403.92
  6. Step 6: Final answer
    x = 14,886.71

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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.