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Finding the Fourth Proportional to 14,982.44, 20,670.93 and 9,947.61

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Solution

The fourth proportional to 14,982.44, 20,670.93 and 9,947.61 is: 13,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.44 : 20,670.93 = 9,947.61 : x
  2. Step 2: Convert to fraction form
    14,982.44/20,670.93 = 9,947.61/x
  3. Step 3: Cross multiply
    14,982.44x = 20,670.93 × 9,947.61
  4. Step 4: Simplify right side
    14,982.44x = 205,626,349.98
  5. Step 5: Solve for x
    x = 205,626,349.98/14,982.44
  6. Step 6: Final answer
    x = 13,724.49

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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.