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Finding the Fourth Proportional to 7,408.90, 11,110.95 and 2,477.26

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Solution

The fourth proportional to 7,408.90, 11,110.95 and 2,477.26 is: 3,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.90 : 11,110.95 = 2,477.26 : x
  2. Step 2: Convert to fraction form
    7,408.90/11,110.95 = 2,477.26/x
  3. Step 3: Cross multiply
    7,408.90x = 11,110.95 × 2,477.26
  4. Step 4: Simplify right side
    7,408.90x = 27,524,712.00
  5. Step 5: Solve for x
    x = 27,524,712.00/7,408.90
  6. Step 6: Final answer
    x = 3,715.09

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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.