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Finding the Fourth Proportional to 6,556.56, 9,048.48 and 3,724.02

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Solution

The fourth proportional to 6,556.56, 9,048.48 and 3,724.02 is: 5,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.56 : 9,048.48 = 3,724.02 : x
  2. Step 2: Convert to fraction form
    6,556.56/9,048.48 = 3,724.02/x
  3. Step 3: Cross multiply
    6,556.56x = 9,048.48 × 3,724.02
  4. Step 4: Simplify right side
    6,556.56x = 33,696,720.49
  5. Step 5: Solve for x
    x = 33,696,720.49/6,556.56
  6. Step 6: Final answer
    x = 5,139.39

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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.