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Finding the Fourth Proportional to 5,079.69, 7,620.44 and 1,794.69

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Solution

The fourth proportional to 5,079.69, 7,620.44 and 1,794.69 is: 2,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.69 : 7,620.44 = 1,794.69 : x
  2. Step 2: Convert to fraction form
    5,079.69/7,620.44 = 1,794.69/x
  3. Step 3: Cross multiply
    5,079.69x = 7,620.44 × 1,794.69
  4. Step 4: Simplify right side
    5,079.69x = 13,676,318.49
  5. Step 5: Solve for x
    x = 13,676,318.49/5,079.69
  6. Step 6: Final answer
    x = 2,692.35

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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.