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Finding the Fourth Proportional to 40,322.98, 60,485.82 and 14,027.98

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Solution

The fourth proportional to 40,322.98, 60,485.82 and 14,027.98 is: 21,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.98 : 60,485.82 = 14,027.98 : x
  2. Step 2: Convert to fraction form
    40,322.98/60,485.82 = 14,027.98/x
  3. Step 3: Cross multiply
    40,322.98x = 60,485.82 × 14,027.98
  4. Step 4: Simplify right side
    40,322.98x = 848,493,873.24
  5. Step 5: Solve for x
    x = 848,493,873.24/40,322.98
  6. Step 6: Final answer
    x = 21,042.44

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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.