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Finding the Fourth Proportional to 6,484.70, 9,734.34 and 2,591.84

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Solution

The fourth proportional to 6,484.70, 9,734.34 and 2,591.84 is: 3,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.70 : 9,734.34 = 2,591.84 : x
  2. Step 2: Convert to fraction form
    6,484.70/9,734.34 = 2,591.84/x
  3. Step 3: Cross multiply
    6,484.70x = 9,734.34 × 2,591.84
  4. Step 4: Simplify right side
    6,484.70x = 25,229,851.79
  5. Step 5: Solve for x
    x = 25,229,851.79/6,484.70
  6. Step 6: Final answer
    x = 3,890.67

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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.