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Finding the Fourth Proportional to 5,692.08, 7,850.52 and 3,923.28

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Solution

The fourth proportional to 5,692.08, 7,850.52 and 3,923.28 is: 5,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.08 : 7,850.52 = 3,923.28 : x
  2. Step 2: Convert to fraction form
    5,692.08/7,850.52 = 3,923.28/x
  3. Step 3: Cross multiply
    5,692.08x = 7,850.52 × 3,923.28
  4. Step 4: Simplify right side
    5,692.08x = 30,799,788.11
  5. Step 5: Solve for x
    x = 30,799,788.11/5,692.08
  6. Step 6: Final answer
    x = 5,410.99

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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.