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Finding the Fourth Proportional to 36,660.80, 54,987.96 and 10,364.96

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Solution

The fourth proportional to 36,660.80, 54,987.96 and 10,364.96 is: 15,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,660.80 : 54,987.96 = 10,364.96 : x
  2. Step 2: Convert to fraction form
    36,660.80/54,987.96 = 10,364.96/x
  3. Step 3: Cross multiply
    36,660.80x = 54,987.96 × 10,364.96
  4. Step 4: Simplify right side
    36,660.80x = 569,948,005.88
  5. Step 5: Solve for x
    x = 569,948,005.88/36,660.80
  6. Step 6: Final answer
    x = 15,546.52

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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.