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Finding the Fourth Proportional to 2,442.15, 3,660.64 and 798.26

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Solution

The fourth proportional to 2,442.15, 3,660.64 and 798.26 is: 1,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.15 : 3,660.64 = 798.26 : x
  2. Step 2: Convert to fraction form
    2,442.15/3,660.64 = 798.26/x
  3. Step 3: Cross multiply
    2,442.15x = 3,660.64 × 798.26
  4. Step 4: Simplify right side
    2,442.15x = 2,922,124.18
  5. Step 5: Solve for x
    x = 2,922,124.18/2,442.15
  6. Step 6: Final answer
    x = 1,196.54

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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.