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Finding the Fourth Proportional to 11,354.85, 17,029.85 and 3,559.41

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Solution

The fourth proportional to 11,354.85, 17,029.85 and 3,559.41 is: 5,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.85 : 17,029.85 = 3,559.41 : x
  2. Step 2: Convert to fraction form
    11,354.85/17,029.85 = 3,559.41/x
  3. Step 3: Cross multiply
    11,354.85x = 17,029.85 × 3,559.41
  4. Step 4: Simplify right side
    11,354.85x = 60,616,200.59
  5. Step 5: Solve for x
    x = 60,616,200.59/11,354.85
  6. Step 6: Final answer
    x = 5,338.35

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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.