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Finding the Fourth Proportional to 13,752.65, 18,958.73 and 10,162.33

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Solution

The fourth proportional to 13,752.65, 18,958.73 and 10,162.33 is: 14,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.65 : 18,958.73 = 10,162.33 : x
  2. Step 2: Convert to fraction form
    13,752.65/18,958.73 = 10,162.33/x
  3. Step 3: Cross multiply
    13,752.65x = 18,958.73 × 10,162.33
  4. Step 4: Simplify right side
    13,752.65x = 192,664,772.43
  5. Step 5: Solve for x
    x = 192,664,772.43/13,752.65
  6. Step 6: Final answer
    x = 14,009.28

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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.