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Finding the Fourth Proportional to 2,650.93, 3,659.97 and 1,813.03

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Solution

The fourth proportional to 2,650.93, 3,659.97 and 1,813.03 is: 2,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.93 : 3,659.97 = 1,813.03 : x
  2. Step 2: Convert to fraction form
    2,650.93/3,659.97 = 1,813.03/x
  3. Step 3: Cross multiply
    2,650.93x = 3,659.97 × 1,813.03
  4. Step 4: Simplify right side
    2,650.93x = 6,635,635.41
  5. Step 5: Solve for x
    x = 6,635,635.41/2,650.93
  6. Step 6: Final answer
    x = 2,503.13

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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.