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Finding the Fourth Proportional to 9,067.98, 13,601.70 and 3,220.50

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Solution

The fourth proportional to 9,067.98, 13,601.70 and 3,220.50 is: 4,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,067.98 : 13,601.70 = 3,220.50 : x
  2. Step 2: Convert to fraction form
    9,067.98/13,601.70 = 3,220.50/x
  3. Step 3: Cross multiply
    9,067.98x = 13,601.70 × 3,220.50
  4. Step 4: Simplify right side
    9,067.98x = 43,804,274.85
  5. Step 5: Solve for x
    x = 43,804,274.85/9,067.98
  6. Step 6: Final answer
    x = 4,830.65

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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.