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Finding the Fourth Proportional to 17,213.25, 23,750.63 and 10,137.09

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Solution

The fourth proportional to 17,213.25, 23,750.63 and 10,137.09 is: 13,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.25 : 23,750.63 = 10,137.09 : x
  2. Step 2: Convert to fraction form
    17,213.25/23,750.63 = 10,137.09/x
  3. Step 3: Cross multiply
    17,213.25x = 23,750.63 × 10,137.09
  4. Step 4: Simplify right side
    17,213.25x = 240,762,223.18
  5. Step 5: Solve for x
    x = 240,762,223.18/17,213.25
  6. Step 6: Final answer
    x = 13,987.03

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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.