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Finding the Fourth Proportional to 33,423.70, 50,123.40 and 11,237.80

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Solution

The fourth proportional to 33,423.70, 50,123.40 and 11,237.80 is: 16,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423.70 : 50,123.40 = 11,237.80 : x
  2. Step 2: Convert to fraction form
    33,423.70/50,123.40 = 11,237.80/x
  3. Step 3: Cross multiply
    33,423.70x = 50,123.40 × 11,237.80
  4. Step 4: Simplify right side
    33,423.70x = 563,276,744.52
  5. Step 5: Solve for x
    x = 563,276,744.52/33,423.70
  6. Step 6: Final answer
    x = 16,852.61

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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.