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Finding the Fourth Proportional to 43,992.44, 65,957.32 and 20,606.12

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Solution

The fourth proportional to 43,992.44, 65,957.32 and 20,606.12 is: 30,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,992.44 : 65,957.32 = 20,606.12 : x
  2. Step 2: Convert to fraction form
    43,992.44/65,957.32 = 20,606.12/x
  3. Step 3: Cross multiply
    43,992.44x = 65,957.32 × 20,606.12
  4. Step 4: Simplify right side
    43,992.44x = 1,359,124,450.80
  5. Step 5: Solve for x
    x = 1,359,124,450.80/43,992.44
  6. Step 6: Final answer
    x = 30,894.50

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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.