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Finding the Fourth Proportional to 3,296.97, 4,945.94 and 956.67

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Solution

The fourth proportional to 3,296.97, 4,945.94 and 956.67 is: 1,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.97 : 4,945.94 = 956.67 : x
  2. Step 2: Convert to fraction form
    3,296.97/4,945.94 = 956.67/x
  3. Step 3: Cross multiply
    3,296.97x = 4,945.94 × 956.67
  4. Step 4: Simplify right side
    3,296.97x = 4,731,609.57
  5. Step 5: Solve for x
    x = 4,731,609.57/3,296.97
  6. Step 6: Final answer
    x = 1,435.14

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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.