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Finding the Fourth Proportional to 4,452.69, 6,679.05 and 1,855.63

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Solution

The fourth proportional to 4,452.69, 6,679.05 and 1,855.63 is: 2,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.69 : 6,679.05 = 1,855.63 : x
  2. Step 2: Convert to fraction form
    4,452.69/6,679.05 = 1,855.63/x
  3. Step 3: Cross multiply
    4,452.69x = 6,679.05 × 1,855.63
  4. Step 4: Simplify right side
    4,452.69x = 12,393,802.88
  5. Step 5: Solve for x
    x = 12,393,802.88/4,452.69
  6. Step 6: Final answer
    x = 2,783.44

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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.