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Finding the Fourth Proportional to 8,889.92, 13,334.46 and 2,226.48

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Solution

The fourth proportional to 8,889.92, 13,334.46 and 2,226.48 is: 3,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.92 : 13,334.46 = 2,226.48 : x
  2. Step 2: Convert to fraction form
    8,889.92/13,334.46 = 2,226.48/x
  3. Step 3: Cross multiply
    8,889.92x = 13,334.46 × 2,226.48
  4. Step 4: Simplify right side
    8,889.92x = 29,688,908.50
  5. Step 5: Solve for x
    x = 29,688,908.50/8,889.92
  6. Step 6: Final answer
    x = 3,339.61

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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.