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Finding the Fourth Proportional to 33,698.70, 46,504.80 and 18,592.20

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Solution

The fourth proportional to 33,698.70, 46,504.80 and 18,592.20 is: 25,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,698.70 : 46,504.80 = 18,592.20 : x
  2. Step 2: Convert to fraction form
    33,698.70/46,504.80 = 18,592.20/x
  3. Step 3: Cross multiply
    33,698.70x = 46,504.80 × 18,592.20
  4. Step 4: Simplify right side
    33,698.70x = 864,626,542.56
  5. Step 5: Solve for x
    x = 864,626,542.56/33,698.70
  6. Step 6: Final answer
    x = 25,657.56

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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.