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Finding the Fourth Proportional to 11,847.82, 16,355.91 and 7,373.02

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Solution

The fourth proportional to 11,847.82, 16,355.91 and 7,373.02 is: 10,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.82 : 16,355.91 = 7,373.02 : x
  2. Step 2: Convert to fraction form
    11,847.82/16,355.91 = 7,373.02/x
  3. Step 3: Cross multiply
    11,847.82x = 16,355.91 × 7,373.02
  4. Step 4: Simplify right side
    11,847.82x = 120,592,451.55
  5. Step 5: Solve for x
    x = 120,592,451.55/11,847.82
  6. Step 6: Final answer
    x = 10,178.45

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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.