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Finding the Fourth Proportional to 33,551.44, 46,297.28 and 20,123.28

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Solution

The fourth proportional to 33,551.44, 46,297.28 and 20,123.28 is: 27,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,551.44 : 46,297.28 = 20,123.28 : x
  2. Step 2: Convert to fraction form
    33,551.44/46,297.28 = 20,123.28/x
  3. Step 3: Cross multiply
    33,551.44x = 46,297.28 × 20,123.28
  4. Step 4: Simplify right side
    33,551.44x = 931,653,128.68
  5. Step 5: Solve for x
    x = 931,653,128.68/33,551.44
  6. Step 6: Final answer
    x = 27,767.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.