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Finding the Fourth Proportional to 36,675.89, 54,986.84 and 11,701.56

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Solution

The fourth proportional to 36,675.89, 54,986.84 and 11,701.56 is: 17,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,675.89 : 54,986.84 = 11,701.56 : x
  2. Step 2: Convert to fraction form
    36,675.89/54,986.84 = 11,701.56/x
  3. Step 3: Cross multiply
    36,675.89x = 54,986.84 × 11,701.56
  4. Step 4: Simplify right side
    36,675.89x = 643,431,807.47
  5. Step 5: Solve for x
    x = 643,431,807.47/36,675.89
  6. Step 6: Final answer
    x = 17,543.73

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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.