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Finding the Fourth Proportional to 16,672.26, 23,007.48 and 9,118.44

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Solution

The fourth proportional to 16,672.26, 23,007.48 and 9,118.44 is: 12,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.26 : 23,007.48 = 9,118.44 : x
  2. Step 2: Convert to fraction form
    16,672.26/23,007.48 = 9,118.44/x
  3. Step 3: Cross multiply
    16,672.26x = 23,007.48 × 9,118.44
  4. Step 4: Simplify right side
    16,672.26x = 209,792,325.93
  5. Step 5: Solve for x
    x = 209,792,325.93/16,672.26
  6. Step 6: Final answer
    x = 12,583.32

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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.