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Finding the Fourth Proportional to 23,692.64, 32,696.79 and 13,081.94

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Solution

The fourth proportional to 23,692.64, 32,696.79 and 13,081.94 is: 18,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,692.64 : 32,696.79 = 13,081.94 : x
  2. Step 2: Convert to fraction form
    23,692.64/32,696.79 = 13,081.94/x
  3. Step 3: Cross multiply
    23,692.64x = 32,696.79 × 13,081.94
  4. Step 4: Simplify right side
    23,692.64x = 427,737,444.97
  5. Step 5: Solve for x
    x = 427,737,444.97/23,692.64
  6. Step 6: Final answer
    x = 18,053.60

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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.