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Finding the Fourth Proportional to 82,355.96, 113,651.21 and 44,630.21

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Solution

The fourth proportional to 82,355.96, 113,651.21 and 44,630.21 is: 61,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355.96 : 113,651.21 = 44,630.21 : x
  2. Step 2: Convert to fraction form
    82,355.96/113,651.21 = 44,630.21/x
  3. Step 3: Cross multiply
    82,355.96x = 113,651.21 × 44,630.21
  4. Step 4: Simplify right side
    82,355.96x = 5,072,276,912.37
  5. Step 5: Solve for x
    x = 5,072,276,912.37/82,355.96
  6. Step 6: Final answer
    x = 61,589.68

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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.