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Finding the Fourth Proportional to 38,797.89, 58,201.39 and 13,841.48

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Solution

The fourth proportional to 38,797.89, 58,201.39 and 13,841.48 is: 20,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,797.89 : 58,201.39 = 13,841.48 : x
  2. Step 2: Convert to fraction form
    38,797.89/58,201.39 = 13,841.48/x
  3. Step 3: Cross multiply
    38,797.89x = 58,201.39 × 13,841.48
  4. Step 4: Simplify right side
    38,797.89x = 805,593,460.60
  5. Step 5: Solve for x
    x = 805,593,460.60/38,797.89
  6. Step 6: Final answer
    x = 20,763.85

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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.