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Finding the Fourth Proportional to 16,280.50, 22,467.10 and 8,828.50

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Solution

The fourth proportional to 16,280.50, 22,467.10 and 8,828.50 is: 12,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.50 : 22,467.10 = 8,828.50 : x
  2. Step 2: Convert to fraction form
    16,280.50/22,467.10 = 8,828.50/x
  3. Step 3: Cross multiply
    16,280.50x = 22,467.10 × 8,828.50
  4. Step 4: Simplify right side
    16,280.50x = 198,350,792.35
  5. Step 5: Solve for x
    x = 198,350,792.35/16,280.50
  6. Step 6: Final answer
    x = 12,183.34

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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.