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Finding the Fourth Proportional to 5,581.54, 8,366.37 and 2,653.66

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Solution

The fourth proportional to 5,581.54, 8,366.37 and 2,653.66 is: 3,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.54 : 8,366.37 = 2,653.66 : x
  2. Step 2: Convert to fraction form
    5,581.54/8,366.37 = 2,653.66/x
  3. Step 3: Cross multiply
    5,581.54x = 8,366.37 × 2,653.66
  4. Step 4: Simplify right side
    5,581.54x = 22,201,501.41
  5. Step 5: Solve for x
    x = 22,201,501.41/5,581.54
  6. Step 6: Final answer
    x = 3,977.67

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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.