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Finding the Fourth Proportional to 2,457.68, 3,686.36 and 996.44

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Solution

The fourth proportional to 2,457.68, 3,686.36 and 996.44 is: 1,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.68 : 3,686.36 = 996.44 : x
  2. Step 2: Convert to fraction form
    2,457.68/3,686.36 = 996.44/x
  3. Step 3: Cross multiply
    2,457.68x = 3,686.36 × 996.44
  4. Step 4: Simplify right side
    2,457.68x = 3,673,236.56
  5. Step 5: Solve for x
    x = 3,673,236.56/2,457.68
  6. Step 6: Final answer
    x = 1,494.60

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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.