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Finding the Fourth Proportional to 3,608.52, 4,979.72 and 2,036.68

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Solution

The fourth proportional to 3,608.52, 4,979.72 and 2,036.68 is: 2,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.52 : 4,979.72 = 2,036.68 : x
  2. Step 2: Convert to fraction form
    3,608.52/4,979.72 = 2,036.68/x
  3. Step 3: Cross multiply
    3,608.52x = 4,979.72 × 2,036.68
  4. Step 4: Simplify right side
    3,608.52x = 10,142,096.13
  5. Step 5: Solve for x
    x = 10,142,096.13/3,608.52
  6. Step 6: Final answer
    x = 2,810.60

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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.