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Finding the Fourth Proportional to 22,057.80, 33,079.59 and 7,263.20

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Solution

The fourth proportional to 22,057.80, 33,079.59 and 7,263.20 is: 10,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.80 : 33,079.59 = 7,263.20 : x
  2. Step 2: Convert to fraction form
    22,057.80/33,079.59 = 7,263.20/x
  3. Step 3: Cross multiply
    22,057.80x = 33,079.59 × 7,263.20
  4. Step 4: Simplify right side
    22,057.80x = 240,263,512.69
  5. Step 5: Solve for x
    x = 240,263,512.69/22,057.80
  6. Step 6: Final answer
    x = 10,892.45

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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.