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Finding the Fourth Proportional to 3,652.62, 5,480.30 and 1,896.53

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Solution

The fourth proportional to 3,652.62, 5,480.30 and 1,896.53 is: 2,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.62 : 5,480.30 = 1,896.53 : x
  2. Step 2: Convert to fraction form
    3,652.62/5,480.30 = 1,896.53/x
  3. Step 3: Cross multiply
    3,652.62x = 5,480.30 × 1,896.53
  4. Step 4: Simplify right side
    3,652.62x = 10,393,516.47
  5. Step 5: Solve for x
    x = 10,393,516.47/3,652.62
  6. Step 6: Final answer
    x = 2,845.50

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Double scale
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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.