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Finding the Fourth Proportional to 2,998.51, 4,500.11 and 2,080.53

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Solution

The fourth proportional to 2,998.51, 4,500.11 and 2,080.53 is: 3,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.51 : 4,500.11 = 2,080.53 : x
  2. Step 2: Convert to fraction form
    2,998.51/4,500.11 = 2,080.53/x
  3. Step 3: Cross multiply
    2,998.51x = 4,500.11 × 2,080.53
  4. Step 4: Simplify right side
    2,998.51x = 9,362,613.86
  5. Step 5: Solve for x
    x = 9,362,613.86/2,998.51
  6. Step 6: Final answer
    x = 3,122.42

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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.