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Finding the Fourth Proportional to 22,409.15, 33,613.70 and 8,368.61

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Solution

The fourth proportional to 22,409.15, 33,613.70 and 8,368.61 is: 12,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.15 : 33,613.70 = 8,368.61 : x
  2. Step 2: Convert to fraction form
    22,409.15/33,613.70 = 8,368.61/x
  3. Step 3: Cross multiply
    22,409.15x = 33,613.70 × 8,368.61
  4. Step 4: Simplify right side
    22,409.15x = 281,299,736.05
  5. Step 5: Solve for x
    x = 281,299,736.05/22,409.15
  6. Step 6: Final answer
    x = 12,552.90

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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.