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Finding the Fourth Proportional to 5,817.46, 8,660.39 and 5,782.86

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Solution

The fourth proportional to 5,817.46, 8,660.39 and 5,782.86 is: 8,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.46 : 8,660.39 = 5,782.86 : x
  2. Step 2: Convert to fraction form
    5,817.46/8,660.39 = 5,782.86/x
  3. Step 3: Cross multiply
    5,817.46x = 8,660.39 × 5,782.86
  4. Step 4: Simplify right side
    5,817.46x = 50,081,786.81
  5. Step 5: Solve for x
    x = 50,081,786.81/5,817.46
  6. Step 6: Final answer
    x = 8,608.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.