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Finding the Fourth Proportional to 2,093.30, 3,136.35 and 995.30

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Solution

The fourth proportional to 2,093.30, 3,136.35 and 995.30 is: 1,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.30 : 3,136.35 = 995.30 : x
  2. Step 2: Convert to fraction form
    2,093.30/3,136.35 = 995.30/x
  3. Step 3: Cross multiply
    2,093.30x = 3,136.35 × 995.30
  4. Step 4: Simplify right side
    2,093.30x = 3,121,609.16
  5. Step 5: Solve for x
    x = 3,121,609.16/2,093.30
  6. Step 6: Final answer
    x = 1,491.24

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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.