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Finding the Fourth Proportional to 1,844.37, 2,766.53 and 871.17

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Solution

The fourth proportional to 1,844.37, 2,766.53 and 871.17 is: 1,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.37 : 2,766.53 = 871.17 : x
  2. Step 2: Convert to fraction form
    1,844.37/2,766.53 = 871.17/x
  3. Step 3: Cross multiply
    1,844.37x = 2,766.53 × 871.17
  4. Step 4: Simplify right side
    1,844.37x = 2,410,113.58
  5. Step 5: Solve for x
    x = 2,410,113.58/1,844.37
  6. Step 6: Final answer
    x = 1,306.74

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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.