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Finding the Fourth Proportional to 2,481.37, 3,722.40 and 837.55

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Solution

The fourth proportional to 2,481.37, 3,722.40 and 837.55 is: 1,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.37 : 3,722.40 = 837.55 : x
  2. Step 2: Convert to fraction form
    2,481.37/3,722.40 = 837.55/x
  3. Step 3: Cross multiply
    2,481.37x = 3,722.40 × 837.55
  4. Step 4: Simplify right side
    2,481.37x = 3,117,696.12
  5. Step 5: Solve for x
    x = 3,117,696.12/2,481.37
  6. Step 6: Final answer
    x = 1,256.44

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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.