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Finding the Fourth Proportional to 33,499.78, 46,231.77 and 18,595.78

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Solution

The fourth proportional to 33,499.78, 46,231.77 and 18,595.78 is: 25,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,499.78 : 46,231.77 = 18,595.78 : x
  2. Step 2: Convert to fraction form
    33,499.78/46,231.77 = 18,595.78/x
  3. Step 3: Cross multiply
    33,499.78x = 46,231.77 × 18,595.78
  4. Step 4: Simplify right side
    33,499.78x = 859,715,823.93
  5. Step 5: Solve for x
    x = 859,715,823.93/33,499.78
  6. Step 6: Final answer
    x = 25,663.33

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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.