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Finding the Fourth Proportional to 33,753.61, 50,630.87 and 31,698.74

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Solution

The fourth proportional to 33,753.61, 50,630.87 and 31,698.74 is: 47,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,753.61 : 50,630.87 = 31,698.74 : x
  2. Step 2: Convert to fraction form
    33,753.61/50,630.87 = 31,698.74/x
  3. Step 3: Cross multiply
    33,753.61x = 50,630.87 × 31,698.74
  4. Step 4: Simplify right side
    33,753.61x = 1,604,934,989.93
  5. Step 5: Solve for x
    x = 1,604,934,989.93/33,753.61
  6. Step 6: Final answer
    x = 47,548.54

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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.