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Finding the Fourth Proportional to 35,447.57, 48,921.09 and 26,479.49

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Solution

The fourth proportional to 35,447.57, 48,921.09 and 26,479.49 is: 36,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.57 : 48,921.09 = 26,479.49 : x
  2. Step 2: Convert to fraction form
    35,447.57/48,921.09 = 26,479.49/x
  3. Step 3: Cross multiply
    35,447.57x = 48,921.09 × 26,479.49
  4. Step 4: Simplify right side
    35,447.57x = 1,295,405,381.05
  5. Step 5: Solve for x
    x = 1,295,405,381.05/35,447.57
  6. Step 6: Final answer
    x = 36,544.27

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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.