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Finding the Fourth Proportional to 6,550.88, 9,820.16 and 2,389.92

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Solution

The fourth proportional to 6,550.88, 9,820.16 and 2,389.92 is: 3,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.88 : 9,820.16 = 2,389.92 : x
  2. Step 2: Convert to fraction form
    6,550.88/9,820.16 = 2,389.92/x
  3. Step 3: Cross multiply
    6,550.88x = 9,820.16 × 2,389.92
  4. Step 4: Simplify right side
    6,550.88x = 23,469,396.79
  5. Step 5: Solve for x
    x = 23,469,396.79/6,550.88
  6. Step 6: Final answer
    x = 3,582.63

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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.