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Finding the Fourth Proportional to 6,616.76, 9,131.10 and 3,632.52

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Solution

The fourth proportional to 6,616.76, 9,131.10 and 3,632.52 is: 5,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.76 : 9,131.10 = 3,632.52 : x
  2. Step 2: Convert to fraction form
    6,616.76/9,131.10 = 3,632.52/x
  3. Step 3: Cross multiply
    6,616.76x = 9,131.10 × 3,632.52
  4. Step 4: Simplify right side
    6,616.76x = 33,168,903.37
  5. Step 5: Solve for x
    x = 33,168,903.37/6,616.76
  6. Step 6: Final answer
    x = 5,012.86

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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.