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Finding the Fourth Proportional to 5,372.50, 8,059.02 and 1,910.02

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Solution

The fourth proportional to 5,372.50, 8,059.02 and 1,910.02 is: 2,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.50 : 8,059.02 = 1,910.02 : x
  2. Step 2: Convert to fraction form
    5,372.50/8,059.02 = 1,910.02/x
  3. Step 3: Cross multiply
    5,372.50x = 8,059.02 × 1,910.02
  4. Step 4: Simplify right side
    5,372.50x = 15,392,889.38
  5. Step 5: Solve for x
    x = 15,392,889.38/5,372.50
  6. Step 6: Final answer
    x = 2,865.13

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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.