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Finding the Fourth Proportional to 22,121.99, 30,528.50 and 12,050.34

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Solution

The fourth proportional to 22,121.99, 30,528.50 and 12,050.34 is: 16,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.99 : 30,528.50 = 12,050.34 : x
  2. Step 2: Convert to fraction form
    22,121.99/30,528.50 = 12,050.34/x
  3. Step 3: Cross multiply
    22,121.99x = 30,528.50 × 12,050.34
  4. Step 4: Simplify right side
    22,121.99x = 367,878,887.54
  5. Step 5: Solve for x
    x = 367,878,887.54/22,121.99
  6. Step 6: Final answer
    x = 16,629.56

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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.