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Finding the Fourth Proportional to 40,611.44, 60,924.36 and 14,331.44

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Solution

The fourth proportional to 40,611.44, 60,924.36 and 14,331.44 is: 21,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,611.44 : 60,924.36 = 14,331.44 : x
  2. Step 2: Convert to fraction form
    40,611.44/60,924.36 = 14,331.44/x
  3. Step 3: Cross multiply
    40,611.44x = 60,924.36 × 14,331.44
  4. Step 4: Simplify right side
    40,611.44x = 873,133,809.88
  5. Step 5: Solve for x
    x = 873,133,809.88/40,611.44
  6. Step 6: Final answer
    x = 21,499.70

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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.