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Finding the Fourth Proportional to 4,737.08, 7,105.62 and 1,274.42

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Solution

The fourth proportional to 4,737.08, 7,105.62 and 1,274.42 is: 1,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737.08 : 7,105.62 = 1,274.42 : x
  2. Step 2: Convert to fraction form
    4,737.08/7,105.62 = 1,274.42/x
  3. Step 3: Cross multiply
    4,737.08x = 7,105.62 × 1,274.42
  4. Step 4: Simplify right side
    4,737.08x = 9,055,544.24
  5. Step 5: Solve for x
    x = 9,055,544.24/4,737.08
  6. Step 6: Final answer
    x = 1,911.63

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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.