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Finding the Fourth Proportional to 39,175.28, 58,805.04 and 15,817.04

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Solution

The fourth proportional to 39,175.28, 58,805.04 and 15,817.04 is: 23,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.28 : 58,805.04 = 15,817.04 : x
  2. Step 2: Convert to fraction form
    39,175.28/58,805.04 = 15,817.04/x
  3. Step 3: Cross multiply
    39,175.28x = 58,805.04 × 15,817.04
  4. Step 4: Simplify right side
    39,175.28x = 930,121,669.88
  5. Step 5: Solve for x
    x = 930,121,669.88/39,175.28
  6. Step 6: Final answer
    x = 23,742.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.