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Finding the Fourth Proportional to 22,119.35, 30,524.73 and 12,047.81

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Solution

The fourth proportional to 22,119.35, 30,524.73 and 12,047.81 is: 16,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.35 : 30,524.73 = 12,047.81 : x
  2. Step 2: Convert to fraction form
    22,119.35/30,524.73 = 12,047.81/x
  3. Step 3: Cross multiply
    22,119.35x = 30,524.73 × 12,047.81
  4. Step 4: Simplify right side
    22,119.35x = 367,756,147.34
  5. Step 5: Solve for x
    x = 367,756,147.34/22,119.35
  6. Step 6: Final answer
    x = 16,625.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.