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Finding the Fourth Proportional to 12,827.17, 19,241.52 and 12,129.04

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Solution

The fourth proportional to 12,827.17, 19,241.52 and 12,129.04 is: 18,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.17 : 19,241.52 = 12,129.04 : x
  2. Step 2: Convert to fraction form
    12,827.17/19,241.52 = 12,129.04/x
  3. Step 3: Cross multiply
    12,827.17x = 19,241.52 × 12,129.04
  4. Step 4: Simplify right side
    12,827.17x = 233,381,246.65
  5. Step 5: Solve for x
    x = 233,381,246.65/12,827.17
  6. Step 6: Final answer
    x = 18,194.29

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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.