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Finding the Fourth Proportional to 5,571.67, 7,692.40 and 3,585.68

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Solution

The fourth proportional to 5,571.67, 7,692.40 and 3,585.68 is: 4,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.67 : 7,692.40 = 3,585.68 : x
  2. Step 2: Convert to fraction form
    5,571.67/7,692.40 = 3,585.68/x
  3. Step 3: Cross multiply
    5,571.67x = 7,692.40 × 3,585.68
  4. Step 4: Simplify right side
    5,571.67x = 27,582,447.98
  5. Step 5: Solve for x
    x = 27,582,447.98/5,571.67
  6. Step 6: Final answer
    x = 4,950.48

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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.