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Finding the Fourth Proportional to 27,016.88, 37,287.62 and 15,838.88

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Solution

The fourth proportional to 27,016.88, 37,287.62 and 15,838.88 is: 21,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,016.88 : 37,287.62 = 15,838.88 : x
  2. Step 2: Convert to fraction form
    27,016.88/37,287.62 = 15,838.88/x
  3. Step 3: Cross multiply
    27,016.88x = 37,287.62 × 15,838.88
  4. Step 4: Simplify right side
    27,016.88x = 590,593,873.03
  5. Step 5: Solve for x
    x = 590,593,873.03/27,016.88
  6. Step 6: Final answer
    x = 21,860.18

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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.