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Finding the Fourth Proportional to 3,568.50, 5,354.91 and 1,516.50

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Solution

The fourth proportional to 3,568.50, 5,354.91 and 1,516.50 is: 2,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.50 : 5,354.91 = 1,516.50 : x
  2. Step 2: Convert to fraction form
    3,568.50/5,354.91 = 1,516.50/x
  3. Step 3: Cross multiply
    3,568.50x = 5,354.91 × 1,516.50
  4. Step 4: Simplify right side
    3,568.50x = 8,120,721.02
  5. Step 5: Solve for x
    x = 8,120,721.02/3,568.50
  6. Step 6: Final answer
    x = 2,275.67

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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.