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Finding the Fourth Proportional to 11,222.80, 16,809.90 and 6,022.60

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Solution

The fourth proportional to 11,222.80, 16,809.90 and 6,022.60 is: 9,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.80 : 16,809.90 = 6,022.60 : x
  2. Step 2: Convert to fraction form
    11,222.80/16,809.90 = 6,022.60/x
  3. Step 3: Cross multiply
    11,222.80x = 16,809.90 × 6,022.60
  4. Step 4: Simplify right side
    11,222.80x = 101,239,303.74
  5. Step 5: Solve for x
    x = 101,239,303.74/11,222.80
  6. Step 6: Final answer
    x = 9,020.86

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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.