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Finding the Fourth Proportional to 8,553.88, 11,802.92 and 5,716.68

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Solution

The fourth proportional to 8,553.88, 11,802.92 and 5,716.68 is: 7,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.88 : 11,802.92 = 5,716.68 : x
  2. Step 2: Convert to fraction form
    8,553.88/11,802.92 = 5,716.68/x
  3. Step 3: Cross multiply
    8,553.88x = 11,802.92 × 5,716.68
  4. Step 4: Simplify right side
    8,553.88x = 67,473,516.71
  5. Step 5: Solve for x
    x = 67,473,516.71/8,553.88
  6. Step 6: Final answer
    x = 7,888.06

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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.