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Finding the Fourth Proportional to 33,449.78, 46,162.78 and 18,545.78

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Solution

The fourth proportional to 33,449.78, 46,162.78 and 18,545.78 is: 25,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,449.78 : 46,162.78 = 18,545.78 : x
  2. Step 2: Convert to fraction form
    33,449.78/46,162.78 = 18,545.78/x
  3. Step 3: Cross multiply
    33,449.78x = 46,162.78 × 18,545.78
  4. Step 4: Simplify right side
    33,449.78x = 856,124,762.07
  5. Step 5: Solve for x
    x = 856,124,762.07/33,449.78
  6. Step 6: Final answer
    x = 25,594.33

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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.