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Finding the Fourth Proportional to 17,802.97, 26,727.54 and 11,917.51

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Solution

The fourth proportional to 17,802.97, 26,727.54 and 11,917.51 is: 17,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.97 : 26,727.54 = 11,917.51 : x
  2. Step 2: Convert to fraction form
    17,802.97/26,727.54 = 11,917.51/x
  3. Step 3: Cross multiply
    17,802.97x = 26,727.54 × 11,917.51
  4. Step 4: Simplify right side
    17,802.97x = 318,525,532.00
  5. Step 5: Solve for x
    x = 318,525,532.00/17,802.97
  6. Step 6: Final answer
    x = 17,891.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.