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Finding the Fourth Proportional to 2,794.42, 3,855.09 and 1,746.82

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Solution

The fourth proportional to 2,794.42, 3,855.09 and 1,746.82 is: 2,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.42 : 3,855.09 = 1,746.82 : x
  2. Step 2: Convert to fraction form
    2,794.42/3,855.09 = 1,746.82/x
  3. Step 3: Cross multiply
    2,794.42x = 3,855.09 × 1,746.82
  4. Step 4: Simplify right side
    2,794.42x = 6,734,148.31
  5. Step 5: Solve for x
    x = 6,734,148.31/2,794.42
  6. Step 6: Final answer
    x = 2,409.86

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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.