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Finding the Fourth Proportional to 27,894.88, 38,502.24 and 17,278.48

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Solution

The fourth proportional to 27,894.88, 38,502.24 and 17,278.48 is: 23,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.88 : 38,502.24 = 17,278.48 : x
  2. Step 2: Convert to fraction form
    27,894.88/38,502.24 = 17,278.48/x
  3. Step 3: Cross multiply
    27,894.88x = 38,502.24 × 17,278.48
  4. Step 4: Simplify right side
    27,894.88x = 665,260,183.80
  5. Step 5: Solve for x
    x = 665,260,183.80/27,894.88
  6. Step 6: Final answer
    x = 23,848.83

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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.