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Finding the Fourth Proportional to 5,270.97, 7,276.30 and 3,357.61

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Solution

The fourth proportional to 5,270.97, 7,276.30 and 3,357.61 is: 4,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.97 : 7,276.30 = 3,357.61 : x
  2. Step 2: Convert to fraction form
    5,270.97/7,276.30 = 3,357.61/x
  3. Step 3: Cross multiply
    5,270.97x = 7,276.30 × 3,357.61
  4. Step 4: Simplify right side
    5,270.97x = 24,430,977.64
  5. Step 5: Solve for x
    x = 24,430,977.64/5,270.97
  6. Step 6: Final answer
    x = 4,635.01

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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.