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Finding the Fourth Proportional to 48,644.63, 67,129.46 and 26,288.63

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Solution

The fourth proportional to 48,644.63, 67,129.46 and 26,288.63 is: 36,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,644.63 : 67,129.46 = 26,288.63 : x
  2. Step 2: Convert to fraction form
    48,644.63/67,129.46 = 26,288.63/x
  3. Step 3: Cross multiply
    48,644.63x = 67,129.46 × 26,288.63
  4. Step 4: Simplify right side
    48,644.63x = 1,764,741,536.04
  5. Step 5: Solve for x
    x = 1,764,741,536.04/48,644.63
  6. Step 6: Final answer
    x = 36,278.24

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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.