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Finding the Fourth Proportional to 2,407.25, 3,611.24 and 847.44

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Solution

The fourth proportional to 2,407.25, 3,611.24 and 847.44 is: 1,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.25 : 3,611.24 = 847.44 : x
  2. Step 2: Convert to fraction form
    2,407.25/3,611.24 = 847.44/x
  3. Step 3: Cross multiply
    2,407.25x = 3,611.24 × 847.44
  4. Step 4: Simplify right side
    2,407.25x = 3,060,304.99
  5. Step 5: Solve for x
    x = 3,060,304.99/2,407.25
  6. Step 6: Final answer
    x = 1,271.29

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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.