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Finding the Fourth Proportional to 3,556.08, 4,907.52 and 1,984.08

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Solution

The fourth proportional to 3,556.08, 4,907.52 and 1,984.08 is: 2,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.08 : 4,907.52 = 1,984.08 : x
  2. Step 2: Convert to fraction form
    3,556.08/4,907.52 = 1,984.08/x
  3. Step 3: Cross multiply
    3,556.08x = 4,907.52 × 1,984.08
  4. Step 4: Simplify right side
    3,556.08x = 9,736,912.28
  5. Step 5: Solve for x
    x = 9,736,912.28/3,556.08
  6. Step 6: Final answer
    x = 2,738.10

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1.5x scale

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.