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Finding the Fourth Proportional to 12,571.97, 17,348.04 and 7,268.51

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Solution

The fourth proportional to 12,571.97, 17,348.04 and 7,268.51 is: 10,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.97 : 17,348.04 = 7,268.51 : x
  2. Step 2: Convert to fraction form
    12,571.97/17,348.04 = 7,268.51/x
  3. Step 3: Cross multiply
    12,571.97x = 17,348.04 × 7,268.51
  4. Step 4: Simplify right side
    12,571.97x = 126,094,402.22
  5. Step 5: Solve for x
    x = 126,094,402.22/12,571.97
  6. Step 6: Final answer
    x = 10,029.80

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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.