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Finding the Fourth Proportional to 14,167.98, 21,252.68 and 5,403.58

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Solution

The fourth proportional to 14,167.98, 21,252.68 and 5,403.58 is: 8,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.98 : 21,252.68 = 5,403.58 : x
  2. Step 2: Convert to fraction form
    14,167.98/21,252.68 = 5,403.58/x
  3. Step 3: Cross multiply
    14,167.98x = 21,252.68 × 5,403.58
  4. Step 4: Simplify right side
    14,167.98x = 114,840,496.71
  5. Step 5: Solve for x
    x = 114,840,496.71/14,167.98
  6. Step 6: Final answer
    x = 8,105.64

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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.