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Finding the Fourth Proportional to 6,652.36, 9,978.54 and 3,692.62

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Solution

The fourth proportional to 6,652.36, 9,978.54 and 3,692.62 is: 5,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.36 : 9,978.54 = 3,692.62 : x
  2. Step 2: Convert to fraction form
    6,652.36/9,978.54 = 3,692.62/x
  3. Step 3: Cross multiply
    6,652.36x = 9,978.54 × 3,692.62
  4. Step 4: Simplify right side
    6,652.36x = 36,846,956.37
  5. Step 5: Solve for x
    x = 36,846,956.37/6,652.36
  6. Step 6: Final answer
    x = 5,538.93

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Similar ratio
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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.