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Finding the Fourth Proportional to 29,940.75, 44,910.95 and 7,754.07

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Solution

The fourth proportional to 29,940.75, 44,910.95 and 7,754.07 is: 11,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,940.75 : 44,910.95 = 7,754.07 : x
  2. Step 2: Convert to fraction form
    29,940.75/44,910.95 = 7,754.07/x
  3. Step 3: Cross multiply
    29,940.75x = 44,910.95 × 7,754.07
  4. Step 4: Simplify right side
    29,940.75x = 348,242,611.30
  5. Step 5: Solve for x
    x = 348,242,611.30/29,940.75
  6. Step 6: Final answer
    x = 11,631.06

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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.