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Finding the Fourth Proportional to 7,243.08, 9,995.78 and 5,668.44

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Solution

The fourth proportional to 7,243.08, 9,995.78 and 5,668.44 is: 7,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.08 : 9,995.78 = 5,668.44 : x
  2. Step 2: Convert to fraction form
    7,243.08/9,995.78 = 5,668.44/x
  3. Step 3: Cross multiply
    7,243.08x = 9,995.78 × 5,668.44
  4. Step 4: Simplify right side
    7,243.08x = 56,660,479.18
  5. Step 5: Solve for x
    x = 56,660,479.18/7,243.08
  6. Step 6: Final answer
    x = 7,822.71

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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.