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Finding the Fourth Proportional to 9,392.84, 12,961.92 and 5,201.08

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Solution

The fourth proportional to 9,392.84, 12,961.92 and 5,201.08 is: 7,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.84 : 12,961.92 = 5,201.08 : x
  2. Step 2: Convert to fraction form
    9,392.84/12,961.92 = 5,201.08/x
  3. Step 3: Cross multiply
    9,392.84x = 12,961.92 × 5,201.08
  4. Step 4: Simplify right side
    9,392.84x = 67,415,982.87
  5. Step 5: Solve for x
    x = 67,415,982.87/9,392.84
  6. Step 6: Final answer
    x = 7,177.38

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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.