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Finding the Fourth Proportional to 15,843.26, 23,764.62 and 5,454.74

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Solution

The fourth proportional to 15,843.26, 23,764.62 and 5,454.74 is: 8,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843.26 : 23,764.62 = 5,454.74 : x
  2. Step 2: Convert to fraction form
    15,843.26/23,764.62 = 5,454.74/x
  3. Step 3: Cross multiply
    15,843.26x = 23,764.62 × 5,454.74
  4. Step 4: Simplify right side
    15,843.26x = 129,629,823.30
  5. Step 5: Solve for x
    x = 129,629,823.30/15,843.26
  6. Step 6: Final answer
    x = 8,182.02

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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.