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Finding the Fourth Proportional to 2,464.93, 3,697.94 and 821.44

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Solution

The fourth proportional to 2,464.93, 3,697.94 and 821.44 is: 1,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,464.93 : 3,697.94 = 821.44 : x
  2. Step 2: Convert to fraction form
    2,464.93/3,697.94 = 821.44/x
  3. Step 3: Cross multiply
    2,464.93x = 3,697.94 × 821.44
  4. Step 4: Simplify right side
    2,464.93x = 3,037,635.83
  5. Step 5: Solve for x
    x = 3,037,635.83/2,464.93
  6. Step 6: Final answer
    x = 1,232.34

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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.