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Finding the Fourth Proportional to 5,596.39, 7,721.17 and 3,236.86

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Solution

The fourth proportional to 5,596.39, 7,721.17 and 3,236.86 is: 4,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,596.39 : 7,721.17 = 3,236.86 : x
  2. Step 2: Convert to fraction form
    5,596.39/7,721.17 = 3,236.86/x
  3. Step 3: Cross multiply
    5,596.39x = 7,721.17 × 3,236.86
  4. Step 4: Simplify right side
    5,596.39x = 24,992,366.09
  5. Step 5: Solve for x
    x = 24,992,366.09/5,596.39
  6. Step 6: Final answer
    x = 4,465.80

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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.