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Finding the Fourth Proportional to 34,796.66, 48,003.45 and 20,644.34

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Solution

The fourth proportional to 34,796.66, 48,003.45 and 20,644.34 is: 28,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,796.66 : 48,003.45 = 20,644.34 : x
  2. Step 2: Convert to fraction form
    34,796.66/48,003.45 = 20,644.34/x
  3. Step 3: Cross multiply
    34,796.66x = 48,003.45 × 20,644.34
  4. Step 4: Simplify right side
    34,796.66x = 990,999,542.97
  5. Step 5: Solve for x
    x = 990,999,542.97/34,796.66
  6. Step 6: Final answer
    x = 28,479.73

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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.