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Finding the Fourth Proportional to 4,409.01, 6,611.13 and 1,940.94

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Solution

The fourth proportional to 4,409.01, 6,611.13 and 1,940.94 is: 2,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.01 : 6,611.13 = 1,940.94 : x
  2. Step 2: Convert to fraction form
    4,409.01/6,611.13 = 1,940.94/x
  3. Step 3: Cross multiply
    4,409.01x = 6,611.13 × 1,940.94
  4. Step 4: Simplify right side
    4,409.01x = 12,831,806.66
  5. Step 5: Solve for x
    x = 12,831,806.66/4,409.01
  6. Step 6: Final answer
    x = 2,910.36

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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.