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Finding the Fourth Proportional to 3,458.67, 4,772.98 and 1,886.73

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Solution

The fourth proportional to 3,458.67, 4,772.98 and 1,886.73 is: 2,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.67 : 4,772.98 = 1,886.73 : x
  2. Step 2: Convert to fraction form
    3,458.67/4,772.98 = 1,886.73/x
  3. Step 3: Cross multiply
    3,458.67x = 4,772.98 × 1,886.73
  4. Step 4: Simplify right side
    3,458.67x = 9,005,324.56
  5. Step 5: Solve for x
    x = 9,005,324.56/3,458.67
  6. Step 6: Final answer
    x = 2,603.70

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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.