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Finding the Fourth Proportional to 7,253.97, 10,884.59 and 5,408.79

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Solution

The fourth proportional to 7,253.97, 10,884.59 and 5,408.79 is: 8,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.97 : 10,884.59 = 5,408.79 : x
  2. Step 2: Convert to fraction form
    7,253.97/10,884.59 = 5,408.79/x
  3. Step 3: Cross multiply
    7,253.97x = 10,884.59 × 5,408.79
  4. Step 4: Simplify right side
    7,253.97x = 58,872,461.55
  5. Step 5: Solve for x
    x = 58,872,461.55/7,253.97
  6. Step 6: Final answer
    x = 8,115.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.