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Finding the Fourth Proportional to 14,266.87, 21,397.77 and 3,876.19

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Solution

The fourth proportional to 14,266.87, 21,397.77 and 3,876.19 is: 5,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.87 : 21,397.77 = 3,876.19 : x
  2. Step 2: Convert to fraction form
    14,266.87/21,397.77 = 3,876.19/x
  3. Step 3: Cross multiply
    14,266.87x = 21,397.77 × 3,876.19
  4. Step 4: Simplify right side
    14,266.87x = 82,941,768.60
  5. Step 5: Solve for x
    x = 82,941,768.60/14,266.87
  6. Step 6: Final answer
    x = 5,813.59

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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.