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Finding the Fourth Proportional to 7,349.00, 10,141.54 and 3,991.82

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Solution

The fourth proportional to 7,349.00, 10,141.54 and 3,991.82 is: 5,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.00 : 10,141.54 = 3,991.82 : x
  2. Step 2: Convert to fraction form
    7,349.00/10,141.54 = 3,991.82/x
  3. Step 3: Cross multiply
    7,349.00x = 10,141.54 × 3,991.82
  4. Step 4: Simplify right side
    7,349.00x = 40,483,141.52
  5. Step 5: Solve for x
    x = 40,483,141.52/7,349.00
  6. Step 6: Final answer
    x = 5,508.66

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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.