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Finding the Fourth Proportional to 14,229.90, 21,344.84 and 3,841.64

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Solution

The fourth proportional to 14,229.90, 21,344.84 and 3,841.64 is: 5,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.90 : 21,344.84 = 3,841.64 : x
  2. Step 2: Convert to fraction form
    14,229.90/21,344.84 = 3,841.64/x
  3. Step 3: Cross multiply
    14,229.90x = 21,344.84 × 3,841.64
  4. Step 4: Simplify right side
    14,229.90x = 81,999,191.14
  5. Step 5: Solve for x
    x = 81,999,191.14/14,229.90
  6. Step 6: Final answer
    x = 5,762.46

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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.