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Finding the Fourth Proportional to 3,556.76, 5,336.76 and 1,825.52

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Solution

The fourth proportional to 3,556.76, 5,336.76 and 1,825.52 is: 2,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.76 : 5,336.76 = 1,825.52 : x
  2. Step 2: Convert to fraction form
    3,556.76/5,336.76 = 1,825.52/x
  3. Step 3: Cross multiply
    3,556.76x = 5,336.76 × 1,825.52
  4. Step 4: Simplify right side
    3,556.76x = 9,742,362.12
  5. Step 5: Solve for x
    x = 9,742,362.12/3,556.76
  6. Step 6: Final answer
    x = 2,739.11

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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.