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Finding the Fourth Proportional to 62,047, 85,640.03 and 35,205.22

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Solution

The fourth proportional to 62,047, 85,640.03 and 35,205.22 is: 48,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,047 : 85,640.03 = 35,205.22 : x
  2. Step 2: Convert to fraction form
    62,047/85,640.03 = 35,205.22/x
  3. Step 3: Cross multiply
    62,047x = 85,640.03 × 35,205.22
  4. Step 4: Simplify right side
    62,047x = 3,014,976,096.96
  5. Step 5: Solve for x
    x = 3,014,976,096.96/62,047
  6. Step 6: Final answer
    x = 48,591.81

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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.