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Finding the Fourth Proportional to 2,906.73, 4,359.17 and 1,345.32

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Solution

The fourth proportional to 2,906.73, 4,359.17 and 1,345.32 is: 2,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.73 : 4,359.17 = 1,345.32 : x
  2. Step 2: Convert to fraction form
    2,906.73/4,359.17 = 1,345.32/x
  3. Step 3: Cross multiply
    2,906.73x = 4,359.17 × 1,345.32
  4. Step 4: Simplify right side
    2,906.73x = 5,864,471.86
  5. Step 5: Solve for x
    x = 5,864,471.86/2,906.73
  6. Step 6: Final answer
    x = 2,017.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.