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Finding the Fourth Proportional to 22,425.64, 33,642.78 and 7,633.96

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Solution

The fourth proportional to 22,425.64, 33,642.78 and 7,633.96 is: 11,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.64 : 33,642.78 = 7,633.96 : x
  2. Step 2: Convert to fraction form
    22,425.64/33,642.78 = 7,633.96/x
  3. Step 3: Cross multiply
    22,425.64x = 33,642.78 × 7,633.96
  4. Step 4: Simplify right side
    22,425.64x = 256,827,636.81
  5. Step 5: Solve for x
    x = 256,827,636.81/22,425.64
  6. Step 6: Final answer
    x = 11,452.41

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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.