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Finding the Fourth Proportional to 3,648.85, 5,035.52 and 2,055.55

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Solution

The fourth proportional to 3,648.85, 5,035.52 and 2,055.55 is: 2,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.85 : 5,035.52 = 2,055.55 : x
  2. Step 2: Convert to fraction form
    3,648.85/5,035.52 = 2,055.55/x
  3. Step 3: Cross multiply
    3,648.85x = 5,035.52 × 2,055.55
  4. Step 4: Simplify right side
    3,648.85x = 10,350,767.73
  5. Step 5: Solve for x
    x = 10,350,767.73/3,648.85
  6. Step 6: Final answer
    x = 2,836.72

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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.