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Finding the Fourth Proportional to 33,865.70, 50,701.35 and 20,743.70

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Solution

The fourth proportional to 33,865.70, 50,701.35 and 20,743.70 is: 31,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,865.70 : 50,701.35 = 20,743.70 : x
  2. Step 2: Convert to fraction form
    33,865.70/50,701.35 = 20,743.70/x
  3. Step 3: Cross multiply
    33,865.70x = 50,701.35 × 20,743.70
  4. Step 4: Simplify right side
    33,865.70x = 1,051,733,594.00
  5. Step 5: Solve for x
    x = 1,051,733,594.00/33,865.70
  6. Step 6: Final answer
    x = 31,056.01

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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.