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Finding the Fourth Proportional to 33,549.78, 50,295.87 and 18,746.58

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Solution

The fourth proportional to 33,549.78, 50,295.87 and 18,746.58 is: 28,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,549.78 : 50,295.87 = 18,746.58 : x
  2. Step 2: Convert to fraction form
    33,549.78/50,295.87 = 18,746.58/x
  3. Step 3: Cross multiply
    33,549.78x = 50,295.87 × 18,746.58
  4. Step 4: Simplify right side
    33,549.78x = 942,875,550.62
  5. Step 5: Solve for x
    x = 942,875,550.62/33,549.78
  6. Step 6: Final answer
    x = 28,103.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.