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Finding the Fourth Proportional to 13,447.94, 20,171.72 and 6,047.16

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Solution

The fourth proportional to 13,447.94, 20,171.72 and 6,047.16 is: 9,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.94 : 20,171.72 = 6,047.16 : x
  2. Step 2: Convert to fraction form
    13,447.94/20,171.72 = 6,047.16/x
  3. Step 3: Cross multiply
    13,447.94x = 20,171.72 × 6,047.16
  4. Step 4: Simplify right side
    13,447.94x = 121,981,588.08
  5. Step 5: Solve for x
    x = 121,981,588.08/13,447.94
  6. Step 6: Final answer
    x = 9,070.66

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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.