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Finding the Fourth Proportional to 17,010.54, 23,486 and 15,212.44

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Solution

The fourth proportional to 17,010.54, 23,486 and 15,212.44 is: 21,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,010.54 : 23,486 = 15,212.44 : x
  2. Step 2: Convert to fraction form
    17,010.54/23,486 = 15,212.44/x
  3. Step 3: Cross multiply
    17,010.54x = 23,486 × 15,212.44
  4. Step 4: Simplify right side
    17,010.54x = 357,279,365.84
  5. Step 5: Solve for x
    x = 357,279,365.84/17,010.54
  6. Step 6: Final answer
    x = 21,003.41

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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.