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Finding the Fourth Proportional to 8,855.75, 13,274.97 and 4,241.99

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Solution

The fourth proportional to 8,855.75, 13,274.97 and 4,241.99 is: 6,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.75 : 13,274.97 = 4,241.99 : x
  2. Step 2: Convert to fraction form
    8,855.75/13,274.97 = 4,241.99/x
  3. Step 3: Cross multiply
    8,855.75x = 13,274.97 × 4,241.99
  4. Step 4: Simplify right side
    8,855.75x = 56,312,223.62
  5. Step 5: Solve for x
    x = 56,312,223.62/8,855.75
  6. Step 6: Final answer
    x = 6,358.84

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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.