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Finding the Fourth Proportional to 36,805.11, 55,207.53 and 9,103.11

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Solution

The fourth proportional to 36,805.11, 55,207.53 and 9,103.11 is: 13,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,805.11 : 55,207.53 = 9,103.11 : x
  2. Step 2: Convert to fraction form
    36,805.11/55,207.53 = 9,103.11/x
  3. Step 3: Cross multiply
    36,805.11x = 55,207.53 × 9,103.11
  4. Step 4: Simplify right side
    36,805.11x = 502,560,218.42
  5. Step 5: Solve for x
    x = 502,560,218.42/36,805.11
  6. Step 6: Final answer
    x = 13,654.63

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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.