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Finding the Fourth Proportional to 7,260.66, 10,896.48 and 5,317.92

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Solution

The fourth proportional to 7,260.66, 10,896.48 and 5,317.92 is: 7,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.66 : 10,896.48 = 5,317.92 : x
  2. Step 2: Convert to fraction form
    7,260.66/10,896.48 = 5,317.92/x
  3. Step 3: Cross multiply
    7,260.66x = 10,896.48 × 5,317.92
  4. Step 4: Simplify right side
    7,260.66x = 57,946,608.92
  5. Step 5: Solve for x
    x = 57,946,608.92/7,260.66
  6. Step 6: Final answer
    x = 7,980.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.