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Finding the Fourth Proportional to 29,086.82, 43,630.22 and 8,310.32

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Solution

The fourth proportional to 29,086.82, 43,630.22 and 8,310.32 is: 12,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.82 : 43,630.22 = 8,310.32 : x
  2. Step 2: Convert to fraction form
    29,086.82/43,630.22 = 8,310.32/x
  3. Step 3: Cross multiply
    29,086.82x = 43,630.22 × 8,310.32
  4. Step 4: Simplify right side
    29,086.82x = 362,580,871.72
  5. Step 5: Solve for x
    x = 362,580,871.72/29,086.82
  6. Step 6: Final answer
    x = 12,465.47

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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.