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Finding the Fourth Proportional to 6,247.76, 8,619.84 and 3,594.20

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Solution

The fourth proportional to 6,247.76, 8,619.84 and 3,594.20 is: 4,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.76 : 8,619.84 = 3,594.20 : x
  2. Step 2: Convert to fraction form
    6,247.76/8,619.84 = 3,594.20/x
  3. Step 3: Cross multiply
    6,247.76x = 8,619.84 × 3,594.20
  4. Step 4: Simplify right side
    6,247.76x = 30,981,428.93
  5. Step 5: Solve for x
    x = 30,981,428.93/6,247.76
  6. Step 6: Final answer
    x = 4,958.81

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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.