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Finding the Fourth Proportional to 14,849.94, 20,487.19 and 8,476.89

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Solution

The fourth proportional to 14,849.94, 20,487.19 and 8,476.89 is: 11,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.94 : 20,487.19 = 8,476.89 : x
  2. Step 2: Convert to fraction form
    14,849.94/20,487.19 = 8,476.89/x
  3. Step 3: Cross multiply
    14,849.94x = 20,487.19 × 8,476.89
  4. Step 4: Simplify right side
    14,849.94x = 173,667,656.04
  5. Step 5: Solve for x
    x = 173,667,656.04/14,849.94
  6. Step 6: Final answer
    x = 11,694.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.