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Finding the Fourth Proportional to 43,596.61, 65,380.51 and 16,940.73

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Solution

The fourth proportional to 43,596.61, 65,380.51 and 16,940.73 is: 25,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,596.61 : 65,380.51 = 16,940.73 : x
  2. Step 2: Convert to fraction form
    43,596.61/65,380.51 = 16,940.73/x
  3. Step 3: Cross multiply
    43,596.61x = 65,380.51 × 16,940.73
  4. Step 4: Simplify right side
    43,596.61x = 1,107,593,567.17
  5. Step 5: Solve for x
    x = 1,107,593,567.17/43,596.61
  6. Step 6: Final answer
    x = 25,405.50

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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.