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Finding the Fourth Proportional to 5,912.50, 8,868.51 and 3,445.54

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Solution

The fourth proportional to 5,912.50, 8,868.51 and 3,445.54 is: 5,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.50 : 8,868.51 = 3,445.54 : x
  2. Step 2: Convert to fraction form
    5,912.50/8,868.51 = 3,445.54/x
  3. Step 3: Cross multiply
    5,912.50x = 8,868.51 × 3,445.54
  4. Step 4: Simplify right side
    5,912.50x = 30,556,805.95
  5. Step 5: Solve for x
    x = 30,556,805.95/5,912.50
  6. Step 6: Final answer
    x = 5,168.17

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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.