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Finding the Fourth Proportional to 22,074.96, 33,099.74 and 7,279.86

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Solution

The fourth proportional to 22,074.96, 33,099.74 and 7,279.86 is: 10,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.96 : 33,099.74 = 7,279.86 : x
  2. Step 2: Convert to fraction form
    22,074.96/33,099.74 = 7,279.86/x
  3. Step 3: Cross multiply
    22,074.96x = 33,099.74 × 7,279.86
  4. Step 4: Simplify right side
    22,074.96x = 240,961,473.24
  5. Step 5: Solve for x
    x = 240,961,473.24/22,074.96
  6. Step 6: Final answer
    x = 10,915.60

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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.