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Finding the Fourth Proportional to 36,645.56, 50,571.02 and 19,878.68

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Solution

The fourth proportional to 36,645.56, 50,571.02 and 19,878.68 is: 27,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.56 : 50,571.02 = 19,878.68 : x
  2. Step 2: Convert to fraction form
    36,645.56/50,571.02 = 19,878.68/x
  3. Step 3: Cross multiply
    36,645.56x = 50,571.02 × 19,878.68
  4. Step 4: Simplify right side
    36,645.56x = 1,005,285,123.85
  5. Step 5: Solve for x
    x = 1,005,285,123.85/36,645.56
  6. Step 6: Final answer
    x = 27,432.66

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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.