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Finding the Fourth Proportional to 36,618, 50,483.97 and 29,089.32

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Solution

The fourth proportional to 36,618, 50,483.97 and 29,089.32 is: 40,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,618 : 50,483.97 = 29,089.32 : x
  2. Step 2: Convert to fraction form
    36,618/50,483.97 = 29,089.32/x
  3. Step 3: Cross multiply
    36,618x = 50,483.97 × 29,089.32
  4. Step 4: Simplify right side
    36,618x = 1,468,544,358.20
  5. Step 5: Solve for x
    x = 1,468,544,358.20/36,618
  6. Step 6: Final answer
    x = 40,104.44

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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.