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Finding the Fourth Proportional to 3,608.43, 4,979.54 and 2,036.67

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Solution

The fourth proportional to 3,608.43, 4,979.54 and 2,036.67 is: 2,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.43 : 4,979.54 = 2,036.67 : x
  2. Step 2: Convert to fraction form
    3,608.43/4,979.54 = 2,036.67/x
  3. Step 3: Cross multiply
    3,608.43x = 4,979.54 × 2,036.67
  4. Step 4: Simplify right side
    3,608.43x = 10,141,669.55
  5. Step 5: Solve for x
    x = 10,141,669.55/3,608.43
  6. Step 6: Final answer
    x = 2,810.55

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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.