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Finding the Fourth Proportional to 2,457.54, 3,687.12 and 996.30

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Solution

The fourth proportional to 2,457.54, 3,687.12 and 996.30 is: 1,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.54 : 3,687.12 = 996.30 : x
  2. Step 2: Convert to fraction form
    2,457.54/3,687.12 = 996.30/x
  3. Step 3: Cross multiply
    2,457.54x = 3,687.12 × 996.30
  4. Step 4: Simplify right side
    2,457.54x = 3,673,477.66
  5. Step 5: Solve for x
    x = 3,673,477.66/2,457.54
  6. Step 6: Final answer
    x = 1,494.78

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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.