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Finding the Fourth Proportional to 48,796.88, 73,199.64 and 13,736.88

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Solution

The fourth proportional to 48,796.88, 73,199.64 and 13,736.88 is: 20,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,796.88 : 73,199.64 = 13,736.88 : x
  2. Step 2: Convert to fraction form
    48,796.88/73,199.64 = 13,736.88/x
  3. Step 3: Cross multiply
    48,796.88x = 73,199.64 × 13,736.88
  4. Step 4: Simplify right side
    48,796.88x = 1,005,534,670.72
  5. Step 5: Solve for x
    x = 1,005,534,670.72/48,796.88
  6. Step 6: Final answer
    x = 20,606.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.