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Finding the Fourth Proportional to 9,958.81, 14,940.65 and 3,033.31

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Solution

The fourth proportional to 9,958.81, 14,940.65 and 3,033.31 is: 4,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.81 : 14,940.65 = 3,033.31 : x
  2. Step 2: Convert to fraction form
    9,958.81/14,940.65 = 3,033.31/x
  3. Step 3: Cross multiply
    9,958.81x = 14,940.65 × 3,033.31
  4. Step 4: Simplify right side
    9,958.81x = 45,319,623.05
  5. Step 5: Solve for x
    x = 45,319,623.05/9,958.81
  6. Step 6: Final answer
    x = 4,550.71

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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.