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Finding the Fourth Proportional to 46,318.60, 69,380.70 and 36,410.68

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Solution

The fourth proportional to 46,318.60, 69,380.70 and 36,410.68 is: 54,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,318.60 : 69,380.70 = 36,410.68 : x
  2. Step 2: Convert to fraction form
    46,318.60/69,380.70 = 36,410.68/x
  3. Step 3: Cross multiply
    46,318.60x = 69,380.70 × 36,410.68
  4. Step 4: Simplify right side
    46,318.60x = 2,526,198,465.88
  5. Step 5: Solve for x
    x = 2,526,198,465.88/46,318.60
  6. Step 6: Final answer
    x = 54,539.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.