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Finding the Fourth Proportional to 4,611.07, 6,918.30 and 2,763.49

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Solution

The fourth proportional to 4,611.07, 6,918.30 and 2,763.49 is: 4,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.07 : 6,918.30 = 2,763.49 : x
  2. Step 2: Convert to fraction form
    4,611.07/6,918.30 = 2,763.49/x
  3. Step 3: Cross multiply
    4,611.07x = 6,918.30 × 2,763.49
  4. Step 4: Simplify right side
    4,611.07x = 19,118,652.87
  5. Step 5: Solve for x
    x = 19,118,652.87/4,611.07
  6. Step 6: Final answer
    x = 4,146.25

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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.