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Finding the Fourth Proportional to 36,255.52, 50,030.04 and 20,123.65

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Solution

The fourth proportional to 36,255.52, 50,030.04 and 20,123.65 is: 27,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,255.52 : 50,030.04 = 20,123.65 : x
  2. Step 2: Convert to fraction form
    36,255.52/50,030.04 = 20,123.65/x
  3. Step 3: Cross multiply
    36,255.52x = 50,030.04 × 20,123.65
  4. Step 4: Simplify right side
    36,255.52x = 1,006,787,014.45
  5. Step 5: Solve for x
    x = 1,006,787,014.45/36,255.52
  6. Step 6: Final answer
    x = 27,769.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.