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Finding the Fourth Proportional to 6,641.62, 9,961.62 and 2,745.52

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Solution

The fourth proportional to 6,641.62, 9,961.62 and 2,745.52 is: 4,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.62 : 9,961.62 = 2,745.52 : x
  2. Step 2: Convert to fraction form
    6,641.62/9,961.62 = 2,745.52/x
  3. Step 3: Cross multiply
    6,641.62x = 9,961.62 × 2,745.52
  4. Step 4: Simplify right side
    6,641.62x = 27,349,826.94
  5. Step 5: Solve for x
    x = 27,349,826.94/6,641.62
  6. Step 6: Final answer
    x = 4,117.95

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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.