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Finding the Fourth Proportional to 43,662.31, 65,440.54 and 30,992.14

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Solution

The fourth proportional to 43,662.31, 65,440.54 and 30,992.14 is: 46,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,662.31 : 65,440.54 = 30,992.14 : x
  2. Step 2: Convert to fraction form
    43,662.31/65,440.54 = 30,992.14/x
  3. Step 3: Cross multiply
    43,662.31x = 65,440.54 × 30,992.14
  4. Step 4: Simplify right side
    43,662.31x = 2,028,142,497.90
  5. Step 5: Solve for x
    x = 2,028,142,497.90/43,662.31
  6. Step 6: Final answer
    x = 46,450.64

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1.5x scale

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.