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Finding the Fourth Proportional to 3,670.68, 5,063.30 and 2,177.60

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Solution

The fourth proportional to 3,670.68, 5,063.30 and 2,177.60 is: 3,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.68 : 5,063.30 = 2,177.60 : x
  2. Step 2: Convert to fraction form
    3,670.68/5,063.30 = 2,177.60/x
  3. Step 3: Cross multiply
    3,670.68x = 5,063.30 × 2,177.60
  4. Step 4: Simplify right side
    3,670.68x = 11,025,842.08
  5. Step 5: Solve for x
    x = 11,025,842.08/3,670.68
  6. Step 6: Final answer
    x = 3,003.76

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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.