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Finding the Fourth Proportional to 7,491.42, 10,338.11 and 4,304.92

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Solution

The fourth proportional to 7,491.42, 10,338.11 and 4,304.92 is: 5,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.42 : 10,338.11 = 4,304.92 : x
  2. Step 2: Convert to fraction form
    7,491.42/10,338.11 = 4,304.92/x
  3. Step 3: Cross multiply
    7,491.42x = 10,338.11 × 4,304.92
  4. Step 4: Simplify right side
    7,491.42x = 44,504,736.50
  5. Step 5: Solve for x
    x = 44,504,736.50/7,491.42
  6. Step 6: Final answer
    x = 5,940.76

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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.