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Finding the Fourth Proportional to 3,608.08, 4,979.10 and 2,036.68

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Solution

The fourth proportional to 3,608.08, 4,979.10 and 2,036.68 is: 2,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.08 : 4,979.10 = 2,036.68 : x
  2. Step 2: Convert to fraction form
    3,608.08/4,979.10 = 2,036.68/x
  3. Step 3: Cross multiply
    3,608.08x = 4,979.10 × 2,036.68
  4. Step 4: Simplify right side
    3,608.08x = 10,140,833.39
  5. Step 5: Solve for x
    x = 10,140,833.39/3,608.08
  6. Step 6: Final answer
    x = 2,810.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.