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Finding the Fourth Proportional to 11,295.92, 16,940.48 and 4,273.58

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Solution

The fourth proportional to 11,295.92, 16,940.48 and 4,273.58 is: 6,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.92 : 16,940.48 = 4,273.58 : x
  2. Step 2: Convert to fraction form
    11,295.92/16,940.48 = 4,273.58/x
  3. Step 3: Cross multiply
    11,295.92x = 16,940.48 × 4,273.58
  4. Step 4: Simplify right side
    11,295.92x = 72,396,390.45
  5. Step 5: Solve for x
    x = 72,396,390.45/11,295.92
  6. Step 6: Final answer
    x = 6,409.08

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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.