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Finding the Fourth Proportional to 7,224.44, 9,968.84 and 4,037.91

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Solution

The fourth proportional to 7,224.44, 9,968.84 and 4,037.91 is: 5,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.44 : 9,968.84 = 4,037.91 : x
  2. Step 2: Convert to fraction form
    7,224.44/9,968.84 = 4,037.91/x
  3. Step 3: Cross multiply
    7,224.44x = 9,968.84 × 4,037.91
  4. Step 4: Simplify right side
    7,224.44x = 40,253,278.72
  5. Step 5: Solve for x
    x = 40,253,278.72/7,224.44
  6. Step 6: Final answer
    x = 5,571.82

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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.