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Finding the Fourth Proportional to 33,894.92, 46,772.98 and 18,990.60

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Solution

The fourth proportional to 33,894.92, 46,772.98 and 18,990.60 is: 26,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894.92 : 46,772.98 = 18,990.60 : x
  2. Step 2: Convert to fraction form
    33,894.92/46,772.98 = 18,990.60/x
  3. Step 3: Cross multiply
    33,894.92x = 46,772.98 × 18,990.60
  4. Step 4: Simplify right side
    33,894.92x = 888,246,953.99
  5. Step 5: Solve for x
    x = 888,246,953.99/33,894.92
  6. Step 6: Final answer
    x = 26,205.90

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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.