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Finding the Fourth Proportional to 14,375.50, 21,563.25 and 3,987.25

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Solution

The fourth proportional to 14,375.50, 21,563.25 and 3,987.25 is: 5,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.50 : 21,563.25 = 3,987.25 : x
  2. Step 2: Convert to fraction form
    14,375.50/21,563.25 = 3,987.25/x
  3. Step 3: Cross multiply
    14,375.50x = 21,563.25 × 3,987.25
  4. Step 4: Simplify right side
    14,375.50x = 85,978,068.56
  5. Step 5: Solve for x
    x = 85,978,068.56/14,375.50
  6. Step 6: Final answer
    x = 5,980.88

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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.