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Finding the Fourth Proportional to 2,457.96, 3,684.87 and 998.14

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Solution

The fourth proportional to 2,457.96, 3,684.87 and 998.14 is: 1,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.96 : 3,684.87 = 998.14 : x
  2. Step 2: Convert to fraction form
    2,457.96/3,684.87 = 998.14/x
  3. Step 3: Cross multiply
    2,457.96x = 3,684.87 × 998.14
  4. Step 4: Simplify right side
    2,457.96x = 3,678,016.14
  5. Step 5: Solve for x
    x = 3,678,016.14/2,457.96
  6. Step 6: Final answer
    x = 1,496.37

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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.