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Finding the Fourth Proportional to 45,970.80, 68,964.30 and 16,405.80

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Solution

The fourth proportional to 45,970.80, 68,964.30 and 16,405.80 is: 24,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,970.80 : 68,964.30 = 16,405.80 : x
  2. Step 2: Convert to fraction form
    45,970.80/68,964.30 = 16,405.80/x
  3. Step 3: Cross multiply
    45,970.80x = 68,964.30 × 16,405.80
  4. Step 4: Simplify right side
    45,970.80x = 1,131,414,512.94
  5. Step 5: Solve for x
    x = 1,131,414,512.94/45,970.80
  6. Step 6: Final answer
    x = 24,611.59

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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.