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Finding the Fourth Proportional to 37,191.11, 55,786.64 and 9,489.11

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Solution

The fourth proportional to 37,191.11, 55,786.64 and 9,489.11 is: 14,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.11 : 55,786.64 = 9,489.11 : x
  2. Step 2: Convert to fraction form
    37,191.11/55,786.64 = 9,489.11/x
  3. Step 3: Cross multiply
    37,191.11x = 55,786.64 × 9,489.11
  4. Step 4: Simplify right side
    37,191.11x = 529,365,237.11
  5. Step 5: Solve for x
    x = 529,365,237.11/37,191.11
  6. Step 6: Final answer
    x = 14,233.65

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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.