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Finding the Fourth Proportional to 36,515.84, 54,773.75 and 8,813.84

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Solution

The fourth proportional to 36,515.84, 54,773.75 and 8,813.84 is: 13,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.84 : 54,773.75 = 8,813.84 : x
  2. Step 2: Convert to fraction form
    36,515.84/54,773.75 = 8,813.84/x
  3. Step 3: Cross multiply
    36,515.84x = 54,773.75 × 8,813.84
  4. Step 4: Simplify right side
    36,515.84x = 482,766,816.87
  5. Step 5: Solve for x
    x = 482,766,816.87/36,515.84
  6. Step 6: Final answer
    x = 13,220.75

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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.