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Finding the Fourth Proportional to 36,016.60, 54,005.70 and 15,216.60

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Solution

The fourth proportional to 36,016.60, 54,005.70 and 15,216.60 is: 22,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016.60 : 54,005.70 = 15,216.60 : x
  2. Step 2: Convert to fraction form
    36,016.60/54,005.70 = 15,216.60/x
  3. Step 3: Cross multiply
    36,016.60x = 54,005.70 × 15,216.60
  4. Step 4: Simplify right side
    36,016.60x = 821,783,134.62
  5. Step 5: Solve for x
    x = 821,783,134.62/36,016.60
  6. Step 6: Final answer
    x = 22,816.79

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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.