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Finding the Fourth Proportional to 32,682.45, 49,026.39 and 12,961.17

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Solution

The fourth proportional to 32,682.45, 49,026.39 and 12,961.17 is: 19,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,682.45 : 49,026.39 = 12,961.17 : x
  2. Step 2: Convert to fraction form
    32,682.45/49,026.39 = 12,961.17/x
  3. Step 3: Cross multiply
    32,682.45x = 49,026.39 × 12,961.17
  4. Step 4: Simplify right side
    32,682.45x = 635,439,375.28
  5. Step 5: Solve for x
    x = 635,439,375.28/32,682.45
  6. Step 6: Final answer
    x = 19,442.83

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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.