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Finding the Fourth Proportional to 23,868.90, 32,940.12 and 13,259.52

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Solution

The fourth proportional to 23,868.90, 32,940.12 and 13,259.52 is: 18,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,868.90 : 32,940.12 = 13,259.52 : x
  2. Step 2: Convert to fraction form
    23,868.90/32,940.12 = 13,259.52/x
  3. Step 3: Cross multiply
    23,868.90x = 32,940.12 × 13,259.52
  4. Step 4: Simplify right side
    23,868.90x = 436,770,179.94
  5. Step 5: Solve for x
    x = 436,770,179.94/23,868.90
  6. Step 6: Final answer
    x = 18,298.71

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