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Finding the Fourth Proportional to 37,086.95, 55,633.85 and 12,127.13

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Solution

The fourth proportional to 37,086.95, 55,633.85 and 12,127.13 is: 18,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,086.95 : 55,633.85 = 12,127.13 : x
  2. Step 2: Convert to fraction form
    37,086.95/55,633.85 = 12,127.13/x
  3. Step 3: Cross multiply
    37,086.95x = 55,633.85 × 12,127.13
  4. Step 4: Simplify right side
    37,086.95x = 674,678,846.65
  5. Step 5: Solve for x
    x = 674,678,846.65/37,086.95
  6. Step 6: Final answer
    x = 18,191.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.