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Finding the Fourth Proportional to 8,260.41, 11,396.59 and 5,277.99

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Solution

The fourth proportional to 8,260.41, 11,396.59 and 5,277.99 is: 7,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.41 : 11,396.59 = 5,277.99 : x
  2. Step 2: Convert to fraction form
    8,260.41/11,396.59 = 5,277.99/x
  3. Step 3: Cross multiply
    8,260.41x = 11,396.59 × 5,277.99
  4. Step 4: Simplify right side
    8,260.41x = 60,151,088.05
  5. Step 5: Solve for x
    x = 60,151,088.05/8,260.41
  6. Step 6: Final answer
    x = 7,281.85

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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.