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Finding the Fourth Proportional to 22,642.80, 33,964.20 and 9,504.60

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Solution

The fourth proportional to 22,642.80, 33,964.20 and 9,504.60 is: 14,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.80 : 33,964.20 = 9,504.60 : x
  2. Step 2: Convert to fraction form
    22,642.80/33,964.20 = 9,504.60/x
  3. Step 3: Cross multiply
    22,642.80x = 33,964.20 × 9,504.60
  4. Step 4: Simplify right side
    22,642.80x = 322,816,135.32
  5. Step 5: Solve for x
    x = 322,816,135.32/22,642.80
  6. Step 6: Final answer
    x = 14,256.90

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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.