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Finding the Fourth Proportional to 6,161.67, 8,503.98 and 3,509.32

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Solution

The fourth proportional to 6,161.67, 8,503.98 and 3,509.32 is: 4,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.67 : 8,503.98 = 3,509.32 : x
  2. Step 2: Convert to fraction form
    6,161.67/8,503.98 = 3,509.32/x
  3. Step 3: Cross multiply
    6,161.67x = 8,503.98 × 3,509.32
  4. Step 4: Simplify right side
    6,161.67x = 29,843,187.09
  5. Step 5: Solve for x
    x = 29,843,187.09/6,161.67
  6. Step 6: Final answer
    x = 4,843.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.