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Finding the Fourth Proportional to 62,230, 85,879.56 and 35,373.64

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Solution

The fourth proportional to 62,230, 85,879.56 and 35,373.64 is: 48,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,230 : 85,879.56 = 35,373.64 : x
  2. Step 2: Convert to fraction form
    62,230/85,879.56 = 35,373.64/x
  3. Step 3: Cross multiply
    62,230x = 85,879.56 × 35,373.64
  4. Step 4: Simplify right side
    62,230x = 3,037,872,638.80
  5. Step 5: Solve for x
    x = 3,037,872,638.80/62,230
  6. Step 6: Final answer
    x = 48,816.85

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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.