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Finding the Fourth Proportional to 1,949.99, 2,923.25 and 717.12

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Solution

The fourth proportional to 1,949.99, 2,923.25 and 717.12 is: 1,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.99 : 2,923.25 = 717.12 : x
  2. Step 2: Convert to fraction form
    1,949.99/2,923.25 = 717.12/x
  3. Step 3: Cross multiply
    1,949.99x = 2,923.25 × 717.12
  4. Step 4: Simplify right side
    1,949.99x = 2,096,321.04
  5. Step 5: Solve for x
    x = 2,096,321.04/1,949.99
  6. Step 6: Final answer
    x = 1,075.04

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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.