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Finding the Fourth Proportional to 22,249.91, 30,704.76 and 12,040.93

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Solution

The fourth proportional to 22,249.91, 30,704.76 and 12,040.93 is: 16,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.91 : 30,704.76 = 12,040.93 : x
  2. Step 2: Convert to fraction form
    22,249.91/30,704.76 = 12,040.93/x
  3. Step 3: Cross multiply
    22,249.91x = 30,704.76 × 12,040.93
  4. Step 4: Simplify right side
    22,249.91x = 369,713,904.21
  5. Step 5: Solve for x
    x = 369,713,904.21/22,249.91
  6. Step 6: Final answer
    x = 16,616.42

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1.5x scale

Why These Related Problems?

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