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Finding the Fourth Proportional to 8,563.22, 12,846.45 and 3,946.22

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Solution

The fourth proportional to 8,563.22, 12,846.45 and 3,946.22 is: 5,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.22 : 12,846.45 = 3,946.22 : x
  2. Step 2: Convert to fraction form
    8,563.22/12,846.45 = 3,946.22/x
  3. Step 3: Cross multiply
    8,563.22x = 12,846.45 × 3,946.22
  4. Step 4: Simplify right side
    8,563.22x = 50,694,894.46
  5. Step 5: Solve for x
    x = 50,694,894.46/8,563.22
  6. Step 6: Final answer
    x = 5,920.07

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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.