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Finding the Fourth Proportional to 13,400.61, 18,496.71 and 8,095.83

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Solution

The fourth proportional to 13,400.61, 18,496.71 and 8,095.83 is: 11,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.61 : 18,496.71 = 8,095.83 : x
  2. Step 2: Convert to fraction form
    13,400.61/18,496.71 = 8,095.83/x
  3. Step 3: Cross multiply
    13,400.61x = 18,496.71 × 8,095.83
  4. Step 4: Simplify right side
    13,400.61x = 149,746,219.72
  5. Step 5: Solve for x
    x = 149,746,219.72/13,400.61
  6. Step 6: Final answer
    x = 11,174.58

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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.