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Finding the Fourth Proportional to 7,409.02, 11,122.20 and 5,850.06

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Solution

The fourth proportional to 7,409.02, 11,122.20 and 5,850.06 is: 8,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.02 : 11,122.20 = 5,850.06 : x
  2. Step 2: Convert to fraction form
    7,409.02/11,122.20 = 5,850.06/x
  3. Step 3: Cross multiply
    7,409.02x = 11,122.20 × 5,850.06
  4. Step 4: Simplify right side
    7,409.02x = 65,065,537.33
  5. Step 5: Solve for x
    x = 65,065,537.33/7,409.02
  6. Step 6: Final answer
    x = 8,781.94

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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.