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Finding the Fourth Proportional to 11,692.52, 17,539.95 and 3,372.74

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Solution

The fourth proportional to 11,692.52, 17,539.95 and 3,372.74 is: 5,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.52 : 17,539.95 = 3,372.74 : x
  2. Step 2: Convert to fraction form
    11,692.52/17,539.95 = 3,372.74/x
  3. Step 3: Cross multiply
    11,692.52x = 17,539.95 × 3,372.74
  4. Step 4: Simplify right side
    11,692.52x = 59,157,690.96
  5. Step 5: Solve for x
    x = 59,157,690.96/11,692.52
  6. Step 6: Final answer
    x = 5,059.45

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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.