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Finding the Fourth Proportional to 13,068.27, 18,046.17 and 8,360.82

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Solution

The fourth proportional to 13,068.27, 18,046.17 and 8,360.82 is: 11,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.27 : 18,046.17 = 8,360.82 : x
  2. Step 2: Convert to fraction form
    13,068.27/18,046.17 = 8,360.82/x
  3. Step 3: Cross multiply
    13,068.27x = 18,046.17 × 8,360.82
  4. Step 4: Simplify right side
    13,068.27x = 150,880,779.06
  5. Step 5: Solve for x
    x = 150,880,779.06/13,068.27
  6. Step 6: Final answer
    x = 11,545.58

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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.