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Finding the Fourth Proportional to 1,450.53, 2,174.72 and 873.27

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Solution

The fourth proportional to 1,450.53, 2,174.72 and 873.27 is: 1,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.53 : 2,174.72 = 873.27 : x
  2. Step 2: Convert to fraction form
    1,450.53/2,174.72 = 873.27/x
  3. Step 3: Cross multiply
    1,450.53x = 2,174.72 × 873.27
  4. Step 4: Simplify right side
    1,450.53x = 1,899,113.37
  5. Step 5: Solve for x
    x = 1,899,113.37/1,450.53
  6. Step 6: Final answer
    x = 1,309.25

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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.