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Finding the Fourth Proportional to 16,606.58, 22,915.22 and 9,891.26

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Solution

The fourth proportional to 16,606.58, 22,915.22 and 9,891.26 is: 13,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,606.58 : 22,915.22 = 9,891.26 : x
  2. Step 2: Convert to fraction form
    16,606.58/22,915.22 = 9,891.26/x
  3. Step 3: Cross multiply
    16,606.58x = 22,915.22 × 9,891.26
  4. Step 4: Simplify right side
    16,606.58x = 226,660,398.98
  5. Step 5: Solve for x
    x = 226,660,398.98/16,606.58
  6. Step 6: Final answer
    x = 13,648.83

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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.