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Finding the Fourth Proportional to 33,447.78, 46,160.01 and 18,543.78

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Solution

The fourth proportional to 33,447.78, 46,160.01 and 18,543.78 is: 25,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,447.78 : 46,160.01 = 18,543.78 : x
  2. Step 2: Convert to fraction form
    33,447.78/46,160.01 = 18,543.78/x
  3. Step 3: Cross multiply
    33,447.78x = 46,160.01 × 18,543.78
  4. Step 4: Simplify right side
    33,447.78x = 855,981,070.24
  5. Step 5: Solve for x
    x = 855,981,070.24/33,447.78
  6. Step 6: Final answer
    x = 25,591.57

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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.