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Finding the Fourth Proportional to 9,967.45, 14,940.92 and 4,423.41

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Solution

The fourth proportional to 9,967.45, 14,940.92 and 4,423.41 is: 6,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967.45 : 14,940.92 = 4,423.41 : x
  2. Step 2: Convert to fraction form
    9,967.45/14,940.92 = 4,423.41/x
  3. Step 3: Cross multiply
    9,967.45x = 14,940.92 × 4,423.41
  4. Step 4: Simplify right side
    9,967.45x = 66,089,814.94
  5. Step 5: Solve for x
    x = 66,089,814.94/9,967.45
  6. Step 6: Final answer
    x = 6,630.56

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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.