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Finding the Fourth Proportional to 6,603.26, 9,107.25 and 5,611.82

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Solution

The fourth proportional to 6,603.26, 9,107.25 and 5,611.82 is: 7,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.26 : 9,107.25 = 5,611.82 : x
  2. Step 2: Convert to fraction form
    6,603.26/9,107.25 = 5,611.82/x
  3. Step 3: Cross multiply
    6,603.26x = 9,107.25 × 5,611.82
  4. Step 4: Simplify right side
    6,603.26x = 51,108,247.70
  5. Step 5: Solve for x
    x = 51,108,247.70/6,603.26
  6. Step 6: Final answer
    x = 7,739.85

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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.