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Finding the Fourth Proportional to 67,969.02, 101,958.84 and 18,048

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Solution

The fourth proportional to 67,969.02, 101,958.84 and 18,048 is: 27,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,969.02 : 101,958.84 = 18,048 : x
  2. Step 2: Convert to fraction form
    67,969.02/101,958.84 = 18,048/x
  3. Step 3: Cross multiply
    67,969.02x = 101,958.84 × 18,048
  4. Step 4: Simplify right side
    67,969.02x = 1,840,153,144.32
  5. Step 5: Solve for x
    x = 1,840,153,144.32/67,969.02
  6. Step 6: Final answer
    x = 27,073.41

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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.