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Finding the Fourth Proportional to 45,464, 68,198.42 and 14,301.68

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Solution

The fourth proportional to 45,464, 68,198.42 and 14,301.68 is: 21,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,464 : 68,198.42 = 14,301.68 : x
  2. Step 2: Convert to fraction form
    45,464/68,198.42 = 14,301.68/x
  3. Step 3: Cross multiply
    45,464x = 68,198.42 × 14,301.68
  4. Step 4: Simplify right side
    45,464x = 975,351,979.35
  5. Step 5: Solve for x
    x = 975,351,979.35/45,464
  6. Step 6: Final answer
    x = 21,453.28

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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.