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Finding the Fourth Proportional to 26,917.20, 40,350.96 and 14,445.96

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Solution

The fourth proportional to 26,917.20, 40,350.96 and 14,445.96 is: 21,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.20 : 40,350.96 = 14,445.96 : x
  2. Step 2: Convert to fraction form
    26,917.20/40,350.96 = 14,445.96/x
  3. Step 3: Cross multiply
    26,917.20x = 40,350.96 × 14,445.96
  4. Step 4: Simplify right side
    26,917.20x = 582,908,354.12
  5. Step 5: Solve for x
    x = 582,908,354.12/26,917.20
  6. Step 6: Final answer
    x = 21,655.61

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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.