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Finding the Fourth Proportional to 1,797.21, 2,697.03 and 873.41

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Solution

The fourth proportional to 1,797.21, 2,697.03 and 873.41 is: 1,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.21 : 2,697.03 = 873.41 : x
  2. Step 2: Convert to fraction form
    1,797.21/2,697.03 = 873.41/x
  3. Step 3: Cross multiply
    1,797.21x = 2,697.03 × 873.41
  4. Step 4: Simplify right side
    1,797.21x = 2,355,599.49
  5. Step 5: Solve for x
    x = 2,355,599.49/1,797.21
  6. Step 6: Final answer
    x = 1,310.70

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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.