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Finding the Fourth Proportional to 5,529.45, 7,628.18 and 3,736.36

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Solution

The fourth proportional to 5,529.45, 7,628.18 and 3,736.36 is: 5,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.45 : 7,628.18 = 3,736.36 : x
  2. Step 2: Convert to fraction form
    5,529.45/7,628.18 = 3,736.36/x
  3. Step 3: Cross multiply
    5,529.45x = 7,628.18 × 3,736.36
  4. Step 4: Simplify right side
    5,529.45x = 28,501,626.62
  5. Step 5: Solve for x
    x = 28,501,626.62/5,529.45
  6. Step 6: Final answer
    x = 5,154.51

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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.