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Finding the Fourth Proportional to 7,392.75, 10,202.00 and 4,249.55

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Solution

The fourth proportional to 7,392.75, 10,202.00 and 4,249.55 is: 5,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.75 : 10,202.00 = 4,249.55 : x
  2. Step 2: Convert to fraction form
    7,392.75/10,202.00 = 4,249.55/x
  3. Step 3: Cross multiply
    7,392.75x = 10,202.00 × 4,249.55
  4. Step 4: Simplify right side
    7,392.75x = 43,353,836.84
  5. Step 5: Solve for x
    x = 43,353,836.84/7,392.75
  6. Step 6: Final answer
    x = 5,864.37

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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.