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Finding the Fourth Proportional to 8,483.82, 12,726.94 and 2,641.02

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Solution

The fourth proportional to 8,483.82, 12,726.94 and 2,641.02 is: 3,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.82 : 12,726.94 = 2,641.02 : x
  2. Step 2: Convert to fraction form
    8,483.82/12,726.94 = 2,641.02/x
  3. Step 3: Cross multiply
    8,483.82x = 12,726.94 × 2,641.02
  4. Step 4: Simplify right side
    8,483.82x = 33,612,103.08
  5. Step 5: Solve for x
    x = 33,612,103.08/8,483.82
  6. Step 6: Final answer
    x = 3,961.91

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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.