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Finding the Fourth Proportional to 2,324.45, 3,485.50 and 742.96

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Solution

The fourth proportional to 2,324.45, 3,485.50 and 742.96 is: 1,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.45 : 3,485.50 = 742.96 : x
  2. Step 2: Convert to fraction form
    2,324.45/3,485.50 = 742.96/x
  3. Step 3: Cross multiply
    2,324.45x = 3,485.50 × 742.96
  4. Step 4: Simplify right side
    2,324.45x = 2,589,569.65
  5. Step 5: Solve for x
    x = 2,589,569.65/2,324.45
  6. Step 6: Final answer
    x = 1,114.06

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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.