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Finding the Fourth Proportional to 30,466.52, 45,682.89 and 12,467.39

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Solution

The fourth proportional to 30,466.52, 45,682.89 and 12,467.39 is: 18,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.52 : 45,682.89 = 12,467.39 : x
  2. Step 2: Convert to fraction form
    30,466.52/45,682.89 = 12,467.39/x
  3. Step 3: Cross multiply
    30,466.52x = 45,682.89 × 12,467.39
  4. Step 4: Simplify right side
    30,466.52x = 569,546,348.85
  5. Step 5: Solve for x
    x = 569,546,348.85/30,466.52
  6. Step 6: Final answer
    x = 18,694.17

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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.