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Finding the Fourth Proportional to 38,793.98, 58,194.73 and 15,415.18

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Solution

The fourth proportional to 38,793.98, 58,194.73 and 15,415.18 is: 23,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.98 : 58,194.73 = 15,415.18 : x
  2. Step 2: Convert to fraction form
    38,793.98/58,194.73 = 15,415.18/x
  3. Step 3: Cross multiply
    38,793.98x = 58,194.73 × 15,415.18
  4. Step 4: Simplify right side
    38,793.98x = 897,082,238.00
  5. Step 5: Solve for x
    x = 897,082,238.00/38,793.98
  6. Step 6: Final answer
    x = 23,124.26

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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.