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Finding the Fourth Proportional to 8,277.91, 11,419.71 and 5,292.25

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Solution

The fourth proportional to 8,277.91, 11,419.71 and 5,292.25 is: 7,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.91 : 11,419.71 = 5,292.25 : x
  2. Step 2: Convert to fraction form
    8,277.91/11,419.71 = 5,292.25/x
  3. Step 3: Cross multiply
    8,277.91x = 11,419.71 × 5,292.25
  4. Step 4: Simplify right side
    8,277.91x = 60,435,960.25
  5. Step 5: Solve for x
    x = 60,435,960.25/8,277.91
  6. Step 6: Final answer
    x = 7,300.87

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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.