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Finding the Fourth Proportional to 36,513.50, 54,770.37 and 8,811.50

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Solution

The fourth proportional to 36,513.50, 54,770.37 and 8,811.50 is: 13,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.50 : 54,770.37 = 8,811.50 : x
  2. Step 2: Convert to fraction form
    36,513.50/54,770.37 = 8,811.50/x
  3. Step 3: Cross multiply
    36,513.50x = 54,770.37 × 8,811.50
  4. Step 4: Simplify right side
    36,513.50x = 482,609,115.26
  5. Step 5: Solve for x
    x = 482,609,115.26/36,513.50
  6. Step 6: Final answer
    x = 13,217.28

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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.