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Finding the Fourth Proportional to 17,648.27, 24,351.27 and 11,987.54

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Solution

The fourth proportional to 17,648.27, 24,351.27 and 11,987.54 is: 16,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.27 : 24,351.27 = 11,987.54 : x
  2. Step 2: Convert to fraction form
    17,648.27/24,351.27 = 11,987.54/x
  3. Step 3: Cross multiply
    17,648.27x = 24,351.27 × 11,987.54
  4. Step 4: Simplify right side
    17,648.27x = 291,911,823.18
  5. Step 5: Solve for x
    x = 291,911,823.18/17,648.27
  6. Step 6: Final answer
    x = 16,540.53

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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.