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Finding the Fourth Proportional to 3,750.52, 5,168.62 and 3,083.32

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Solution

The fourth proportional to 3,750.52, 5,168.62 and 3,083.32 is: 4,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.52 : 5,168.62 = 3,083.32 : x
  2. Step 2: Convert to fraction form
    3,750.52/5,168.62 = 3,083.32/x
  3. Step 3: Cross multiply
    3,750.52x = 5,168.62 × 3,083.32
  4. Step 4: Simplify right side
    3,750.52x = 15,936,509.42
  5. Step 5: Solve for x
    x = 15,936,509.42/3,750.52
  6. Step 6: Final answer
    x = 4,249.15

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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.