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Finding the Fourth Proportional to 36,544, 50,479.12 and 29,400.82

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Solution

The fourth proportional to 36,544, 50,479.12 and 29,400.82 is: 40,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,544 : 50,479.12 = 29,400.82 : x
  2. Step 2: Convert to fraction form
    36,544/50,479.12 = 29,400.82/x
  3. Step 3: Cross multiply
    36,544x = 50,479.12 × 29,400.82
  4. Step 4: Simplify right side
    36,544x = 1,484,127,520.88
  5. Step 5: Solve for x
    x = 1,484,127,520.88/36,544
  6. Step 6: Final answer
    x = 40,612.07

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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.