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Finding the Fourth Proportional to 29,049.25, 40,087.97 and 15,801.25

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Solution

The fourth proportional to 29,049.25, 40,087.97 and 15,801.25 is: 21,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,049.25 : 40,087.97 = 15,801.25 : x
  2. Step 2: Convert to fraction form
    29,049.25/40,087.97 = 15,801.25/x
  3. Step 3: Cross multiply
    29,049.25x = 40,087.97 × 15,801.25
  4. Step 4: Simplify right side
    29,049.25x = 633,440,035.96
  5. Step 5: Solve for x
    x = 633,440,035.96/29,049.25
  6. Step 6: Final answer
    x = 21,805.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.