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Finding the Fourth Proportional to 1,704.02, 2,554.94 and 814.18

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Solution

The fourth proportional to 1,704.02, 2,554.94 and 814.18 is: 1,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.02 : 2,554.94 = 814.18 : x
  2. Step 2: Convert to fraction form
    1,704.02/2,554.94 = 814.18/x
  3. Step 3: Cross multiply
    1,704.02x = 2,554.94 × 814.18
  4. Step 4: Simplify right side
    1,704.02x = 2,080,185.24
  5. Step 5: Solve for x
    x = 2,080,185.24/1,704.02
  6. Step 6: Final answer
    x = 1,220.75

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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.