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Finding the Fourth Proportional to 29,539.64, 40,763.08 and 16,791.05

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Solution

The fourth proportional to 29,539.64, 40,763.08 and 16,791.05 is: 23,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,539.64 : 40,763.08 = 16,791.05 : x
  2. Step 2: Convert to fraction form
    29,539.64/40,763.08 = 16,791.05/x
  3. Step 3: Cross multiply
    29,539.64x = 40,763.08 × 16,791.05
  4. Step 4: Simplify right side
    29,539.64x = 684,454,914.43
  5. Step 5: Solve for x
    x = 684,454,914.43/29,539.64
  6. Step 6: Final answer
    x = 23,170.73

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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.