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Finding the Fourth Proportional to 7,223.07, 9,968.97 and 4,391.33

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Solution

The fourth proportional to 7,223.07, 9,968.97 and 4,391.33 is: 6,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.07 : 9,968.97 = 4,391.33 : x
  2. Step 2: Convert to fraction form
    7,223.07/9,968.97 = 4,391.33/x
  3. Step 3: Cross multiply
    7,223.07x = 9,968.97 × 4,391.33
  4. Step 4: Simplify right side
    7,223.07x = 43,777,037.03
  5. Step 5: Solve for x
    x = 43,777,037.03/7,223.07
  6. Step 6: Final answer
    x = 6,060.72

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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.