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Finding the Fourth Proportional to 3,692.07, 5,538.09 and 3,599.12

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Solution

The fourth proportional to 3,692.07, 5,538.09 and 3,599.12 is: 5,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.07 : 5,538.09 = 3,599.12 : x
  2. Step 2: Convert to fraction form
    3,692.07/5,538.09 = 3,599.12/x
  3. Step 3: Cross multiply
    3,692.07x = 5,538.09 × 3,599.12
  4. Step 4: Simplify right side
    3,692.07x = 19,932,222.79
  5. Step 5: Solve for x
    x = 19,932,222.79/3,692.07
  6. Step 6: Final answer
    x = 5,398.66

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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.