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Finding the Fourth Proportional to 27,893.88, 38,500.86 and 17,277.48

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Solution

The fourth proportional to 27,893.88, 38,500.86 and 17,277.48 is: 23,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893.88 : 38,500.86 = 17,277.48 : x
  2. Step 2: Convert to fraction form
    27,893.88/38,500.86 = 17,277.48/x
  3. Step 3: Cross multiply
    27,893.88x = 38,500.86 × 17,277.48
  4. Step 4: Simplify right side
    27,893.88x = 665,197,838.63
  5. Step 5: Solve for x
    x = 665,197,838.63/27,893.88
  6. Step 6: Final answer
    x = 23,847.45

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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.