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Finding the Fourth Proportional to 36,375.72, 54,564.68 and 14,188.20

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Solution

The fourth proportional to 36,375.72, 54,564.68 and 14,188.20 is: 21,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,375.72 : 54,564.68 = 14,188.20 : x
  2. Step 2: Convert to fraction form
    36,375.72/54,564.68 = 14,188.20/x
  3. Step 3: Cross multiply
    36,375.72x = 54,564.68 × 14,188.20
  4. Step 4: Simplify right side
    36,375.72x = 774,174,592.78
  5. Step 5: Solve for x
    x = 774,174,592.78/36,375.72
  6. Step 6: Final answer
    x = 21,282.73

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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.