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Finding the Fourth Proportional to 4,611.80, 6,903.30 and 4,467.80

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Solution

The fourth proportional to 4,611.80, 6,903.30 and 4,467.80 is: 6,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.80 : 6,903.30 = 4,467.80 : x
  2. Step 2: Convert to fraction form
    4,611.80/6,903.30 = 4,467.80/x
  3. Step 3: Cross multiply
    4,611.80x = 6,903.30 × 4,467.80
  4. Step 4: Simplify right side
    4,611.80x = 30,842,563.74
  5. Step 5: Solve for x
    x = 30,842,563.74/4,611.80
  6. Step 6: Final answer
    x = 6,687.75

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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.