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Finding the Fourth Proportional to 2,080.67, 3,122.64 and 848.93

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Solution

The fourth proportional to 2,080.67, 3,122.64 and 848.93 is: 1,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.67 : 3,122.64 = 848.93 : x
  2. Step 2: Convert to fraction form
    2,080.67/3,122.64 = 848.93/x
  3. Step 3: Cross multiply
    2,080.67x = 3,122.64 × 848.93
  4. Step 4: Simplify right side
    2,080.67x = 2,650,902.78
  5. Step 5: Solve for x
    x = 2,650,902.78/2,080.67
  6. Step 6: Final answer
    x = 1,274.06

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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.