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Finding the Fourth Proportional to 3,339.92, 4,608.92 and 1,923.39

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Solution

The fourth proportional to 3,339.92, 4,608.92 and 1,923.39 is: 2,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.92 : 4,608.92 = 1,923.39 : x
  2. Step 2: Convert to fraction form
    3,339.92/4,608.92 = 1,923.39/x
  3. Step 3: Cross multiply
    3,339.92x = 4,608.92 × 1,923.39
  4. Step 4: Simplify right side
    3,339.92x = 8,864,741.02
  5. Step 5: Solve for x
    x = 8,864,741.02/3,339.92
  6. Step 6: Final answer
    x = 2,654.18

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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.