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Finding the Fourth Proportional to 29,156.38, 43,725.76 and 8,091.32

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Solution

The fourth proportional to 29,156.38, 43,725.76 and 8,091.32 is: 12,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.38 : 43,725.76 = 8,091.32 : x
  2. Step 2: Convert to fraction form
    29,156.38/43,725.76 = 8,091.32/x
  3. Step 3: Cross multiply
    29,156.38x = 43,725.76 × 8,091.32
  4. Step 4: Simplify right side
    29,156.38x = 353,798,877.55
  5. Step 5: Solve for x
    x = 353,798,877.55/29,156.38
  6. Step 6: Final answer
    x = 12,134.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.