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Finding the Fourth Proportional to 3,272.22, 4,908.57 and 963.82

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Solution

The fourth proportional to 3,272.22, 4,908.57 and 963.82 is: 1,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.22 : 4,908.57 = 963.82 : x
  2. Step 2: Convert to fraction form
    3,272.22/4,908.57 = 963.82/x
  3. Step 3: Cross multiply
    3,272.22x = 4,908.57 × 963.82
  4. Step 4: Simplify right side
    3,272.22x = 4,730,977.94
  5. Step 5: Solve for x
    x = 4,730,977.94/3,272.22
  6. Step 6: Final answer
    x = 1,445.80

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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.