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Finding the Fourth Proportional to 10,183.59, 14,049.45 and 6,645.51

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Solution

The fourth proportional to 10,183.59, 14,049.45 and 6,645.51 is: 9,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.59 : 14,049.45 = 6,645.51 : x
  2. Step 2: Convert to fraction form
    10,183.59/14,049.45 = 6,645.51/x
  3. Step 3: Cross multiply
    10,183.59x = 14,049.45 × 6,645.51
  4. Step 4: Simplify right side
    10,183.59x = 93,365,760.47
  5. Step 5: Solve for x
    x = 93,365,760.47/10,183.59
  6. Step 6: Final answer
    x = 9,168.26

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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.