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Finding the Fourth Proportional to 5,373.34, 7,408.34 and 3,481.60

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Solution

The fourth proportional to 5,373.34, 7,408.34 and 3,481.60 is: 4,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.34 : 7,408.34 = 3,481.60 : x
  2. Step 2: Convert to fraction form
    5,373.34/7,408.34 = 3,481.60/x
  3. Step 3: Cross multiply
    5,373.34x = 7,408.34 × 3,481.60
  4. Step 4: Simplify right side
    5,373.34x = 25,792,876.54
  5. Step 5: Solve for x
    x = 25,792,876.54/5,373.34
  6. Step 6: Final answer
    x = 4,800.16

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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.