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Finding the Fourth Proportional to 11,104.88, 16,651.80 and 3,706.80

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Solution

The fourth proportional to 11,104.88, 16,651.80 and 3,706.80 is: 5,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.88 : 16,651.80 = 3,706.80 : x
  2. Step 2: Convert to fraction form
    11,104.88/16,651.80 = 3,706.80/x
  3. Step 3: Cross multiply
    11,104.88x = 16,651.80 × 3,706.80
  4. Step 4: Simplify right side
    11,104.88x = 61,724,892.24
  5. Step 5: Solve for x
    x = 61,724,892.24/11,104.88
  6. Step 6: Final answer
    x = 5,558.36

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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.