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Finding the Fourth Proportional to 30,674.77, 45,930.09 and 18,014.09

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Solution

The fourth proportional to 30,674.77, 45,930.09 and 18,014.09 is: 26,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674.77 : 45,930.09 = 18,014.09 : x
  2. Step 2: Convert to fraction form
    30,674.77/45,930.09 = 18,014.09/x
  3. Step 3: Cross multiply
    30,674.77x = 45,930.09 × 18,014.09
  4. Step 4: Simplify right side
    30,674.77x = 827,388,716.72
  5. Step 5: Solve for x
    x = 827,388,716.72/30,674.77
  6. Step 6: Final answer
    x = 26,972.94

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1.5x scale

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.