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Finding the Fourth Proportional to 22,658.72, 33,988.76 and 10,813.75

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Solution

The fourth proportional to 22,658.72, 33,988.76 and 10,813.75 is: 16,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.72 : 33,988.76 = 10,813.75 : x
  2. Step 2: Convert to fraction form
    22,658.72/33,988.76 = 10,813.75/x
  3. Step 3: Cross multiply
    22,658.72x = 33,988.76 × 10,813.75
  4. Step 4: Simplify right side
    22,658.72x = 367,545,806.35
  5. Step 5: Solve for x
    x = 367,545,806.35/22,658.72
  6. Step 6: Final answer
    x = 16,220.94

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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.