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Finding the Fourth Proportional to 45,967.40, 68,942.88 and 12,233.62

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Solution

The fourth proportional to 45,967.40, 68,942.88 and 12,233.62 is: 18,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,967.40 : 68,942.88 = 12,233.62 : x
  2. Step 2: Convert to fraction form
    45,967.40/68,942.88 = 12,233.62/x
  3. Step 3: Cross multiply
    45,967.40x = 68,942.88 × 12,233.62
  4. Step 4: Simplify right side
    45,967.40x = 843,420,995.63
  5. Step 5: Solve for x
    x = 843,420,995.63/45,967.40
  6. Step 6: Final answer
    x = 18,348.24

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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.