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Finding the Fourth Proportional to 22,429.20, 33,643.80 and 6,844.80

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Solution

The fourth proportional to 22,429.20, 33,643.80 and 6,844.80 is: 10,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.20 : 33,643.80 = 6,844.80 : x
  2. Step 2: Convert to fraction form
    22,429.20/33,643.80 = 6,844.80/x
  3. Step 3: Cross multiply
    22,429.20x = 33,643.80 × 6,844.80
  4. Step 4: Simplify right side
    22,429.20x = 230,285,082.24
  5. Step 5: Solve for x
    x = 230,285,082.24/22,429.20
  6. Step 6: Final answer
    x = 10,267.20

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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.