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Finding the Fourth Proportional to 5,079.93, 7,619.90 and 1,793.22

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Solution

The fourth proportional to 5,079.93, 7,619.90 and 1,793.22 is: 2,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.93 : 7,619.90 = 1,793.22 : x
  2. Step 2: Convert to fraction form
    5,079.93/7,619.90 = 1,793.22/x
  3. Step 3: Cross multiply
    5,079.93x = 7,619.90 × 1,793.22
  4. Step 4: Simplify right side
    5,079.93x = 13,664,157.08
  5. Step 5: Solve for x
    x = 13,664,157.08/5,079.93
  6. Step 6: Final answer
    x = 2,689.83

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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.