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Finding the Fourth Proportional to 11,692.41, 17,538.67 and 2,927.30

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Solution

The fourth proportional to 11,692.41, 17,538.67 and 2,927.30 is: 4,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.41 : 17,538.67 = 2,927.30 : x
  2. Step 2: Convert to fraction form
    11,692.41/17,538.67 = 2,927.30/x
  3. Step 3: Cross multiply
    11,692.41x = 17,538.67 × 2,927.30
  4. Step 4: Simplify right side
    11,692.41x = 51,340,948.69
  5. Step 5: Solve for x
    x = 51,340,948.69/11,692.41
  6. Step 6: Final answer
    x = 4,390.96

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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.