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Finding the Fourth Proportional to 14,269.63, 21,404.51 and 3,881.38

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Solution

The fourth proportional to 14,269.63, 21,404.51 and 3,881.38 is: 5,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.63 : 21,404.51 = 3,881.38 : x
  2. Step 2: Convert to fraction form
    14,269.63/21,404.51 = 3,881.38/x
  3. Step 3: Cross multiply
    14,269.63x = 21,404.51 × 3,881.38
  4. Step 4: Simplify right side
    14,269.63x = 83,079,037.02
  5. Step 5: Solve for x
    x = 83,079,037.02/14,269.63
  6. Step 6: Final answer
    x = 5,822.09

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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.