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Finding the Fourth Proportional to 49,391.99, 74,013.15 and 32,692.19

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Solution

The fourth proportional to 49,391.99, 74,013.15 and 32,692.19 is: 48,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,391.99 : 74,013.15 = 32,692.19 : x
  2. Step 2: Convert to fraction form
    49,391.99/74,013.15 = 32,692.19/x
  3. Step 3: Cross multiply
    49,391.99x = 74,013.15 × 32,692.19
  4. Step 4: Simplify right side
    49,391.99x = 2,419,651,962.30
  5. Step 5: Solve for x
    x = 2,419,651,962.30/49,391.99
  6. Step 6: Final answer
    x = 48,988.75

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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.