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Finding the Fourth Proportional to 66,904.08, 100,268.64 and 27,414.96

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Solution

The fourth proportional to 66,904.08, 100,268.64 and 27,414.96 is: 41,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904.08 : 100,268.64 = 27,414.96 : x
  2. Step 2: Convert to fraction form
    66,904.08/100,268.64 = 27,414.96/x
  3. Step 3: Cross multiply
    66,904.08x = 100,268.64 × 27,414.96
  4. Step 4: Simplify right side
    66,904.08x = 2,748,860,754.85
  5. Step 5: Solve for x
    x = 2,748,860,754.85/66,904.08
  6. Step 6: Final answer
    x = 41,086.59

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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.