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Finding the Fourth Proportional to 2,965.68, 4,093.92 and 2,081.52

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Solution

The fourth proportional to 2,965.68, 4,093.92 and 2,081.52 is: 2,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.68 : 4,093.92 = 2,081.52 : x
  2. Step 2: Convert to fraction form
    2,965.68/4,093.92 = 2,081.52/x
  3. Step 3: Cross multiply
    2,965.68x = 4,093.92 × 2,081.52
  4. Step 4: Simplify right side
    2,965.68x = 8,521,576.36
  5. Step 5: Solve for x
    x = 8,521,576.36/2,965.68
  6. Step 6: Final answer
    x = 2,873.40

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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.