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Finding the Fourth Proportional to 2,427.52, 3,640.06 and 965.88

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Solution

The fourth proportional to 2,427.52, 3,640.06 and 965.88 is: 1,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.52 : 3,640.06 = 965.88 : x
  2. Step 2: Convert to fraction form
    2,427.52/3,640.06 = 965.88/x
  3. Step 3: Cross multiply
    2,427.52x = 3,640.06 × 965.88
  4. Step 4: Simplify right side
    2,427.52x = 3,515,861.15
  5. Step 5: Solve for x
    x = 3,515,861.15/2,427.52
  6. Step 6: Final answer
    x = 1,448.33

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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.