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Finding the Fourth Proportional to 5,079.54, 7,619.46 and 1,794.90

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Solution

The fourth proportional to 5,079.54, 7,619.46 and 1,794.90 is: 2,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.54 : 7,619.46 = 1,794.90 : x
  2. Step 2: Convert to fraction form
    5,079.54/7,619.46 = 1,794.90/x
  3. Step 3: Cross multiply
    5,079.54x = 7,619.46 × 1,794.90
  4. Step 4: Simplify right side
    5,079.54x = 13,676,168.75
  5. Step 5: Solve for x
    x = 13,676,168.75/5,079.54
  6. Step 6: Final answer
    x = 2,692.40

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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.