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Finding the Fourth Proportional to 18,473.40, 25,463.82 and 16,947.96

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Solution

The fourth proportional to 18,473.40, 25,463.82 and 16,947.96 is: 23,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.40 : 25,463.82 = 16,947.96 : x
  2. Step 2: Convert to fraction form
    18,473.40/25,463.82 = 16,947.96/x
  3. Step 3: Cross multiply
    18,473.40x = 25,463.82 × 16,947.96
  4. Step 4: Simplify right side
    18,473.40x = 431,559,802.81
  5. Step 5: Solve for x
    x = 431,559,802.81/18,473.40
  6. Step 6: Final answer
    x = 23,361.15

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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.