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Finding the Fourth Proportional to 17,954.91, 27,066.81 and 16,750.69

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Solution

The fourth proportional to 17,954.91, 27,066.81 and 16,750.69 is: 25,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.91 : 27,066.81 = 16,750.69 : x
  2. Step 2: Convert to fraction form
    17,954.91/27,066.81 = 16,750.69/x
  3. Step 3: Cross multiply
    17,954.91x = 27,066.81 × 16,750.69
  4. Step 4: Simplify right side
    17,954.91x = 453,387,608.26
  5. Step 5: Solve for x
    x = 453,387,608.26/17,954.91
  6. Step 6: Final answer
    x = 25,251.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.