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Finding the Fourth Proportional to 5,872.76, 8,104.52 and 3,220.01

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Solution

The fourth proportional to 5,872.76, 8,104.52 and 3,220.01 is: 4,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.76 : 8,104.52 = 3,220.01 : x
  2. Step 2: Convert to fraction form
    5,872.76/8,104.52 = 3,220.01/x
  3. Step 3: Cross multiply
    5,872.76x = 8,104.52 × 3,220.01
  4. Step 4: Simplify right side
    5,872.76x = 26,096,635.45
  5. Step 5: Solve for x
    x = 26,096,635.45/5,872.76
  6. Step 6: Final answer
    x = 4,443.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.