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Finding the Fourth Proportional to 1,511.80, 2,268.44 and 732.44

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Solution

The fourth proportional to 1,511.80, 2,268.44 and 732.44 is: 1,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.80 : 2,268.44 = 732.44 : x
  2. Step 2: Convert to fraction form
    1,511.80/2,268.44 = 732.44/x
  3. Step 3: Cross multiply
    1,511.80x = 2,268.44 × 732.44
  4. Step 4: Simplify right side
    1,511.80x = 1,661,496.19
  5. Step 5: Solve for x
    x = 1,661,496.19/1,511.80
  6. Step 6: Final answer
    x = 1,099.02

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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.