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Finding the Fourth Proportional to 33,608.48, 46,380 and 18,704.48

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Solution

The fourth proportional to 33,608.48, 46,380 and 18,704.48 is: 25,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,608.48 : 46,380 = 18,704.48 : x
  2. Step 2: Convert to fraction form
    33,608.48/46,380 = 18,704.48/x
  3. Step 3: Cross multiply
    33,608.48x = 46,380 × 18,704.48
  4. Step 4: Simplify right side
    33,608.48x = 867,513,782.40
  5. Step 5: Solve for x
    x = 867,513,782.40/33,608.48
  6. Step 6: Final answer
    x = 25,812.35

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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.