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Finding the Fourth Proportional to 6,556.72, 9,048 and 3,572.56

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Solution

The fourth proportional to 6,556.72, 9,048 and 3,572.56 is: 4,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.72 : 9,048 = 3,572.56 : x
  2. Step 2: Convert to fraction form
    6,556.72/9,048 = 3,572.56/x
  3. Step 3: Cross multiply
    6,556.72x = 9,048 × 3,572.56
  4. Step 4: Simplify right side
    6,556.72x = 32,324,522.88
  5. Step 5: Solve for x
    x = 32,324,522.88/6,556.72
  6. Step 6: Final answer
    x = 4,929.98

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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.