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Finding the Fourth Proportional to 9,839.43, 14,739.71 and 7,377.03

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Solution

The fourth proportional to 9,839.43, 14,739.71 and 7,377.03 is: 11,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.43 : 14,739.71 = 7,377.03 : x
  2. Step 2: Convert to fraction form
    9,839.43/14,739.71 = 7,377.03/x
  3. Step 3: Cross multiply
    9,839.43x = 14,739.71 × 7,377.03
  4. Step 4: Simplify right side
    9,839.43x = 108,735,245.98
  5. Step 5: Solve for x
    x = 108,735,245.98/9,839.43
  6. Step 6: Final answer
    x = 11,050.97

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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.