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Finding the Fourth Proportional to 33,378.57, 46,062.42 and 18,474.57

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Solution

The fourth proportional to 33,378.57, 46,062.42 and 18,474.57 is: 25,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.57 : 46,062.42 = 18,474.57 : x
  2. Step 2: Convert to fraction form
    33,378.57/46,062.42 = 18,474.57/x
  3. Step 3: Cross multiply
    33,378.57x = 46,062.42 × 18,474.57
  4. Step 4: Simplify right side
    33,378.57x = 850,983,402.66
  5. Step 5: Solve for x
    x = 850,983,402.66/33,378.57
  6. Step 6: Final answer
    x = 25,494.90

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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.