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Finding the Fourth Proportional to 5,445.46, 7,513.74 and 3,556.54

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Solution

The fourth proportional to 5,445.46, 7,513.74 and 3,556.54 is: 4,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.46 : 7,513.74 = 3,556.54 : x
  2. Step 2: Convert to fraction form
    5,445.46/7,513.74 = 3,556.54/x
  3. Step 3: Cross multiply
    5,445.46x = 7,513.74 × 3,556.54
  4. Step 4: Simplify right side
    5,445.46x = 26,722,916.86
  5. Step 5: Solve for x
    x = 26,722,916.86/5,445.46
  6. Step 6: Final answer
    x = 4,907.38

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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.