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Finding the Fourth Proportional to 22,704.34, 34,012.23 and 12,813.70

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Solution

The fourth proportional to 22,704.34, 34,012.23 and 12,813.70 is: 19,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.34 : 34,012.23 = 12,813.70 : x
  2. Step 2: Convert to fraction form
    22,704.34/34,012.23 = 12,813.70/x
  3. Step 3: Cross multiply
    22,704.34x = 34,012.23 × 12,813.70
  4. Step 4: Simplify right side
    22,704.34x = 435,822,511.55
  5. Step 5: Solve for x
    x = 435,822,511.55/22,704.34
  6. Step 6: Final answer
    x = 19,195.56

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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.