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Finding the Fourth Proportional to 33,777.92, 50,649.12 and 19,742.72

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Solution

The fourth proportional to 33,777.92, 50,649.12 and 19,742.72 is: 29,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,777.92 : 50,649.12 = 19,742.72 : x
  2. Step 2: Convert to fraction form
    33,777.92/50,649.12 = 19,742.72/x
  3. Step 3: Cross multiply
    33,777.92x = 50,649.12 × 19,742.72
  4. Step 4: Simplify right side
    33,777.92x = 999,951,394.41
  5. Step 5: Solve for x
    x = 999,951,394.41/33,777.92
  6. Step 6: Final answer
    x = 29,603.70

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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.