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Finding the Fourth Proportional to 36,846.90, 50,848.72 and 20,079.90

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Solution

The fourth proportional to 36,846.90, 50,848.72 and 20,079.90 is: 27,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,846.90 : 50,848.72 = 20,079.90 : x
  2. Step 2: Convert to fraction form
    36,846.90/50,848.72 = 20,079.90/x
  3. Step 3: Cross multiply
    36,846.90x = 50,848.72 × 20,079.90
  4. Step 4: Simplify right side
    36,846.90x = 1,021,037,212.73
  5. Step 5: Solve for x
    x = 1,021,037,212.73/36,846.90
  6. Step 6: Final answer
    x = 27,710.26

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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.