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Finding the Fourth Proportional to 7,967.89, 11,940.90 and 5,040.96

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Solution

The fourth proportional to 7,967.89, 11,940.90 and 5,040.96 is: 7,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.89 : 11,940.90 = 5,040.96 : x
  2. Step 2: Convert to fraction form
    7,967.89/11,940.90 = 5,040.96/x
  3. Step 3: Cross multiply
    7,967.89x = 11,940.90 × 5,040.96
  4. Step 4: Simplify right side
    7,967.89x = 60,193,599.26
  5. Step 5: Solve for x
    x = 60,193,599.26/7,967.89
  6. Step 6: Final answer
    x = 7,554.52

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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.