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Finding the Fourth Proportional to 11,166.54, 16,734.32 and 4,917.19

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Solution

The fourth proportional to 11,166.54, 16,734.32 and 4,917.19 is: 7,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.54 : 16,734.32 = 4,917.19 : x
  2. Step 2: Convert to fraction form
    11,166.54/16,734.32 = 4,917.19/x
  3. Step 3: Cross multiply
    11,166.54x = 16,734.32 × 4,917.19
  4. Step 4: Simplify right side
    11,166.54x = 82,285,814.36
  5. Step 5: Solve for x
    x = 82,285,814.36/11,166.54
  6. Step 6: Final answer
    x = 7,368.96

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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.