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Finding the Fourth Proportional to 3,556.03, 5,334 and 1,606.87

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Solution

The fourth proportional to 3,556.03, 5,334 and 1,606.87 is: 2,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.03 : 5,334 = 1,606.87 : x
  2. Step 2: Convert to fraction form
    3,556.03/5,334 = 1,606.87/x
  3. Step 3: Cross multiply
    3,556.03x = 5,334 × 1,606.87
  4. Step 4: Simplify right side
    3,556.03x = 8,571,044.58
  5. Step 5: Solve for x
    x = 8,571,044.58/3,556.03
  6. Step 6: Final answer
    x = 2,410.28

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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.