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Finding the Fourth Proportional to 2,037.03, 2,811.11 and 1,105.53

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Solution

The fourth proportional to 2,037.03, 2,811.11 and 1,105.53 is: 1,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.03 : 2,811.11 = 1,105.53 : x
  2. Step 2: Convert to fraction form
    2,037.03/2,811.11 = 1,105.53/x
  3. Step 3: Cross multiply
    2,037.03x = 2,811.11 × 1,105.53
  4. Step 4: Simplify right side
    2,037.03x = 3,107,766.44
  5. Step 5: Solve for x
    x = 3,107,766.44/2,037.03
  6. Step 6: Final answer
    x = 1,525.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.