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Finding the Fourth Proportional to 13,832.92, 19,083.99 and 8,518.51

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Solution

The fourth proportional to 13,832.92, 19,083.99 and 8,518.51 is: 11,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.92 : 19,083.99 = 8,518.51 : x
  2. Step 2: Convert to fraction form
    13,832.92/19,083.99 = 8,518.51/x
  3. Step 3: Cross multiply
    13,832.92x = 19,083.99 × 8,518.51
  4. Step 4: Simplify right side
    13,832.92x = 162,567,159.65
  5. Step 5: Solve for x
    x = 162,567,159.65/13,832.92
  6. Step 6: Final answer
    x = 11,752.19

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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.