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Finding the Fourth Proportional to 17,312.70, 23,883.08 and 10,936.23

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Solution

The fourth proportional to 17,312.70, 23,883.08 and 10,936.23 is: 15,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.70 : 23,883.08 = 10,936.23 : x
  2. Step 2: Convert to fraction form
    17,312.70/23,883.08 = 10,936.23/x
  3. Step 3: Cross multiply
    17,312.70x = 23,883.08 × 10,936.23
  4. Step 4: Simplify right side
    17,312.70x = 261,190,855.99
  5. Step 5: Solve for x
    x = 261,190,855.99/17,312.70
  6. Step 6: Final answer
    x = 15,086.66

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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.