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Finding the Fourth Proportional to 22,685.36, 34,029.36 and 6,890.91

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Solution

The fourth proportional to 22,685.36, 34,029.36 and 6,890.91 is: 10,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.36 : 34,029.36 = 6,890.91 : x
  2. Step 2: Convert to fraction form
    22,685.36/34,029.36 = 6,890.91/x
  3. Step 3: Cross multiply
    22,685.36x = 34,029.36 × 6,890.91
  4. Step 4: Simplify right side
    22,685.36x = 234,493,257.12
  5. Step 5: Solve for x
    x = 234,493,257.12/22,685.36
  6. Step 6: Final answer
    x = 10,336.77

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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.