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Finding the Fourth Proportional to 7,201.37, 9,934.97 and 4,408.49

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Solution

The fourth proportional to 7,201.37, 9,934.97 and 4,408.49 is: 6,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.37 : 9,934.97 = 4,408.49 : x
  2. Step 2: Convert to fraction form
    7,201.37/9,934.97 = 4,408.49/x
  3. Step 3: Cross multiply
    7,201.37x = 9,934.97 × 4,408.49
  4. Step 4: Simplify right side
    7,201.37x = 43,798,144.18
  5. Step 5: Solve for x
    x = 43,798,144.18/7,201.37
  6. Step 6: Final answer
    x = 6,081.92

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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.