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Finding the Fourth Proportional to 5,618.44, 7,753.44 and 3,134.44

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Solution

The fourth proportional to 5,618.44, 7,753.44 and 3,134.44 is: 4,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.44 : 7,753.44 = 3,134.44 : x
  2. Step 2: Convert to fraction form
    5,618.44/7,753.44 = 3,134.44/x
  3. Step 3: Cross multiply
    5,618.44x = 7,753.44 × 3,134.44
  4. Step 4: Simplify right side
    5,618.44x = 24,302,692.47
  5. Step 5: Solve for x
    x = 24,302,692.47/5,618.44
  6. Step 6: Final answer
    x = 4,325.52

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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.