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Finding the Fourth Proportional to 45,645.73, 68,524.97 and 21,652.97

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Solution

The fourth proportional to 45,645.73, 68,524.97 and 21,652.97 is: 32,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,645.73 : 68,524.97 = 21,652.97 : x
  2. Step 2: Convert to fraction form
    45,645.73/68,524.97 = 21,652.97/x
  3. Step 3: Cross multiply
    45,645.73x = 68,524.97 × 21,652.97
  4. Step 4: Simplify right side
    45,645.73x = 1,483,769,088.14
  5. Step 5: Solve for x
    x = 1,483,769,088.14/45,645.73
  6. Step 6: Final answer
    x = 32,506.20

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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.