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Finding the Fourth Proportional to 36,366.50, 54,549.84 and 11,742.50

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Solution

The fourth proportional to 36,366.50, 54,549.84 and 11,742.50 is: 17,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,366.50 : 54,549.84 = 11,742.50 : x
  2. Step 2: Convert to fraction form
    36,366.50/54,549.84 = 11,742.50/x
  3. Step 3: Cross multiply
    36,366.50x = 54,549.84 × 11,742.50
  4. Step 4: Simplify right side
    36,366.50x = 640,551,496.20
  5. Step 5: Solve for x
    x = 640,551,496.20/36,366.50
  6. Step 6: Final answer
    x = 17,613.78

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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.