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Finding the Fourth Proportional to 45,394.62, 68,102.88 and 14,229.88

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Solution

The fourth proportional to 45,394.62, 68,102.88 and 14,229.88 is: 21,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394.62 : 68,102.88 = 14,229.88 : x
  2. Step 2: Convert to fraction form
    45,394.62/68,102.88 = 14,229.88/x
  3. Step 3: Cross multiply
    45,394.62x = 68,102.88 × 14,229.88
  4. Step 4: Simplify right side
    45,394.62x = 969,095,810.05
  5. Step 5: Solve for x
    x = 969,095,810.05/45,394.62
  6. Step 6: Final answer
    x = 21,348.25

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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.