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Finding the Fourth Proportional to 33,502.20, 50,123.70 and 21,838.20

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Solution

The fourth proportional to 33,502.20, 50,123.70 and 21,838.20 is: 32,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,502.20 : 50,123.70 = 21,838.20 : x
  2. Step 2: Convert to fraction form
    33,502.20/50,123.70 = 21,838.20/x
  3. Step 3: Cross multiply
    33,502.20x = 50,123.70 × 21,838.20
  4. Step 4: Simplify right side
    33,502.20x = 1,094,611,385.34
  5. Step 5: Solve for x
    x = 1,094,611,385.34/33,502.20
  6. Step 6: Final answer
    x = 32,672.82

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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.