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Finding the Fourth Proportional to 4,951.92, 7,432.52 and 2,613.68

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Solution

The fourth proportional to 4,951.92, 7,432.52 and 2,613.68 is: 3,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.92 : 7,432.52 = 2,613.68 : x
  2. Step 2: Convert to fraction form
    4,951.92/7,432.52 = 2,613.68/x
  3. Step 3: Cross multiply
    4,951.92x = 7,432.52 × 2,613.68
  4. Step 4: Simplify right side
    4,951.92x = 19,426,228.87
  5. Step 5: Solve for x
    x = 19,426,228.87/4,951.92
  6. Step 6: Final answer
    x = 3,922.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.