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Finding the Fourth Proportional to 31,692.52, 43,737.11 and 17,545.36

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Solution

The fourth proportional to 31,692.52, 43,737.11 and 17,545.36 is: 24,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.52 : 43,737.11 = 17,545.36 : x
  2. Step 2: Convert to fraction form
    31,692.52/43,737.11 = 17,545.36/x
  3. Step 3: Cross multiply
    31,692.52x = 43,737.11 × 17,545.36
  4. Step 4: Simplify right side
    31,692.52x = 767,383,389.73
  5. Step 5: Solve for x
    x = 767,383,389.73/31,692.52
  6. Step 6: Final answer
    x = 24,213.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.