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Finding the Fourth Proportional to 23,720.25, 32,732.67 and 13,109.25

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Solution

The fourth proportional to 23,720.25, 32,732.67 and 13,109.25 is: 18,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.25 : 32,732.67 = 13,109.25 : x
  2. Step 2: Convert to fraction form
    23,720.25/32,732.67 = 13,109.25/x
  3. Step 3: Cross multiply
    23,720.25x = 32,732.67 × 13,109.25
  4. Step 4: Simplify right side
    23,720.25x = 429,100,754.20
  5. Step 5: Solve for x
    x = 429,100,754.20/23,720.25
  6. Step 6: Final answer
    x = 18,090.06

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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.