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Finding the Fourth Proportional to 32,994.54, 45,512.08 and 20,249.80

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Solution

The fourth proportional to 32,994.54, 45,512.08 and 20,249.80 is: 27,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,994.54 : 45,512.08 = 20,249.80 : x
  2. Step 2: Convert to fraction form
    32,994.54/45,512.08 = 20,249.80/x
  3. Step 3: Cross multiply
    32,994.54x = 45,512.08 × 20,249.80
  4. Step 4: Simplify right side
    32,994.54x = 921,610,353.18
  5. Step 5: Solve for x
    x = 921,610,353.18/32,994.54
  6. Step 6: Final answer
    x = 27,932.21

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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.