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Finding the Fourth Proportional to 36,612.52, 54,899.10 and 11,645.80

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Solution

The fourth proportional to 36,612.52, 54,899.10 and 11,645.80 is: 17,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612.52 : 54,899.10 = 11,645.80 : x
  2. Step 2: Convert to fraction form
    36,612.52/54,899.10 = 11,645.80/x
  3. Step 3: Cross multiply
    36,612.52x = 54,899.10 × 11,645.80
  4. Step 4: Simplify right side
    36,612.52x = 639,343,938.78
  5. Step 5: Solve for x
    x = 639,343,938.78/36,612.52
  6. Step 6: Final answer
    x = 17,462.44

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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.