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Finding the Fourth Proportional to 964.98, 1,444.68 and 793.67

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Solution

The fourth proportional to 964.98, 1,444.68 and 793.67 is: 1,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.98 : 1,444.68 = 793.67 : x
  2. Step 2: Convert to fraction form
    964.98/1,444.68 = 793.67/x
  3. Step 3: Cross multiply
    964.98x = 1,444.68 × 793.67
  4. Step 4: Simplify right side
    964.98x = 1,146,591.95
  5. Step 5: Solve for x
    x = 1,146,591.95/964.98
  6. Step 6: Final answer
    x = 1,188.20

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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.