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Finding the Fourth Proportional to 38,846.42, 53,607.76 and 22,079.42

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Solution

The fourth proportional to 38,846.42, 53,607.76 and 22,079.42 is: 30,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,846.42 : 53,607.76 = 22,079.42 : x
  2. Step 2: Convert to fraction form
    38,846.42/53,607.76 = 22,079.42/x
  3. Step 3: Cross multiply
    38,846.42x = 53,607.76 × 22,079.42
  4. Step 4: Simplify right side
    38,846.42x = 1,183,628,126.09
  5. Step 5: Solve for x
    x = 1,183,628,126.09/38,846.42
  6. Step 6: Final answer
    x = 30,469.43

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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.