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Finding the Fourth Proportional to 8,449.48, 11,661.71 and 5,092.81

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Solution

The fourth proportional to 8,449.48, 11,661.71 and 5,092.81 is: 7,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.48 : 11,661.71 = 5,092.81 : x
  2. Step 2: Convert to fraction form
    8,449.48/11,661.71 = 5,092.81/x
  3. Step 3: Cross multiply
    8,449.48x = 11,661.71 × 5,092.81
  4. Step 4: Simplify right side
    8,449.48x = 59,390,818.69
  5. Step 5: Solve for x
    x = 59,390,818.69/8,449.48
  6. Step 6: Final answer
    x = 7,028.93

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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.