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Finding the Fourth Proportional to 23,112.97, 34,688.90 and 21,654.97

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Solution

The fourth proportional to 23,112.97, 34,688.90 and 21,654.97 is: 32,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.97 : 34,688.90 = 21,654.97 : x
  2. Step 2: Convert to fraction form
    23,112.97/34,688.90 = 21,654.97/x
  3. Step 3: Cross multiply
    23,112.97x = 34,688.90 × 21,654.97
  4. Step 4: Simplify right side
    23,112.97x = 751,187,056.25
  5. Step 5: Solve for x
    x = 751,187,056.25/23,112.97
  6. Step 6: Final answer
    x = 32,500.68

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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.