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Finding the Fourth Proportional to 3,849.95, 5,335.25 and 3,776.12

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Solution

The fourth proportional to 3,849.95, 5,335.25 and 3,776.12 is: 5,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.95 : 5,335.25 = 3,776.12 : x
  2. Step 2: Convert to fraction form
    3,849.95/5,335.25 = 3,776.12/x
  3. Step 3: Cross multiply
    3,849.95x = 5,335.25 × 3,776.12
  4. Step 4: Simplify right side
    3,849.95x = 20,146,544.23
  5. Step 5: Solve for x
    x = 20,146,544.23/3,849.95
  6. Step 6: Final answer
    x = 5,232.94

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.