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Finding the Fourth Proportional to 17,208, 23,750.96 and 10,136.70

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Solution

The fourth proportional to 17,208, 23,750.96 and 10,136.70 is: 13,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208 : 23,750.96 = 10,136.70 : x
  2. Step 2: Convert to fraction form
    17,208/23,750.96 = 10,136.70/x
  3. Step 3: Cross multiply
    17,208x = 23,750.96 × 10,136.70
  4. Step 4: Simplify right side
    17,208x = 240,756,305.55
  5. Step 5: Solve for x
    x = 240,756,305.55/17,208
  6. Step 6: Final answer
    x = 13,990.95

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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.