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Finding the Fourth Proportional to 3,168.52, 4,751.55 and 1,268.26

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Solution

The fourth proportional to 3,168.52, 4,751.55 and 1,268.26 is: 1,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.52 : 4,751.55 = 1,268.26 : x
  2. Step 2: Convert to fraction form
    3,168.52/4,751.55 = 1,268.26/x
  3. Step 3: Cross multiply
    3,168.52x = 4,751.55 × 1,268.26
  4. Step 4: Simplify right side
    3,168.52x = 6,026,200.80
  5. Step 5: Solve for x
    x = 6,026,200.80/3,168.52
  6. Step 6: Final answer
    x = 1,901.90

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1.5x scale

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.