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Finding the Fourth Proportional to 23,307.25, 32,163.99 and 12,696.88

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Solution

The fourth proportional to 23,307.25, 32,163.99 and 12,696.88 is: 17,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,307.25 : 32,163.99 = 12,696.88 : x
  2. Step 2: Convert to fraction form
    23,307.25/32,163.99 = 12,696.88/x
  3. Step 3: Cross multiply
    23,307.25x = 32,163.99 × 12,696.88
  4. Step 4: Simplify right side
    23,307.25x = 408,382,321.35
  5. Step 5: Solve for x
    x = 408,382,321.35/23,307.25
  6. Step 6: Final answer
    x = 17,521.69

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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.