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Finding the Fourth Proportional to 36,252.88, 50,028.36 and 21,346

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Solution

The fourth proportional to 36,252.88, 50,028.36 and 21,346 is: 29,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,252.88 : 50,028.36 = 21,346 : x
  2. Step 2: Convert to fraction form
    36,252.88/50,028.36 = 21,346/x
  3. Step 3: Cross multiply
    36,252.88x = 50,028.36 × 21,346
  4. Step 4: Simplify right side
    36,252.88x = 1,067,905,372.56
  5. Step 5: Solve for x
    x = 1,067,905,372.56/36,252.88
  6. Step 6: Final answer
    x = 29,457.12

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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.