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Finding the Fourth Proportional to 33,679.90, 46,477.20 and 18,573.20

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Solution

The fourth proportional to 33,679.90, 46,477.20 and 18,573.20 is: 25,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,679.90 : 46,477.20 = 18,573.20 : x
  2. Step 2: Convert to fraction form
    33,679.90/46,477.20 = 18,573.20/x
  3. Step 3: Cross multiply
    33,679.90x = 46,477.20 × 18,573.20
  4. Step 4: Simplify right side
    33,679.90x = 863,230,121.98
  5. Step 5: Solve for x
    x = 863,230,121.98/33,679.90
  6. Step 6: Final answer
    x = 25,630.42

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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.