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Finding the Fourth Proportional to 11,692.60, 17,538.97 and 2,927.52

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Solution

The fourth proportional to 11,692.60, 17,538.97 and 2,927.52 is: 4,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.60 : 17,538.97 = 2,927.52 : x
  2. Step 2: Convert to fraction form
    11,692.60/17,538.97 = 2,927.52/x
  3. Step 3: Cross multiply
    11,692.60x = 17,538.97 × 2,927.52
  4. Step 4: Simplify right side
    11,692.60x = 51,345,721.98
  5. Step 5: Solve for x
    x = 51,345,721.98/11,692.60
  6. Step 6: Final answer
    x = 4,391.30

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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.