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Finding the Fourth Proportional to 36,937,165.11, 50,978,351.34 and 21,255,867.24

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Solution

The fourth proportional to 36,937,165.11, 50,978,351.34 and 21,255,867.24 is: 29,336,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,937,165.11 : 50,978,351.34 = 21,255,867.24 : x
  2. Step 2: Convert to fraction form
    36,937,165.11/50,978,351.34 = 21,255,867.24/x
  3. Step 3: Cross multiply
    36,937,165.11x = 50,978,351.34 × 21,255,867.24
  4. Step 4: Simplify right side
    36,937,165.11x = 1,083,589,068,197,116.12
  5. Step 5: Solve for x
    x = 1,083,589,068,197,116.12/36,937,165.11
  6. Step 6: Final answer
    x = 29,336,010.63

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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.