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Finding the Fourth Proportional to 11,804.80, 17,668.80 and 9,193.60

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Solution

The fourth proportional to 11,804.80, 17,668.80 and 9,193.60 is: 13,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.80 : 17,668.80 = 9,193.60 : x
  2. Step 2: Convert to fraction form
    11,804.80/17,668.80 = 9,193.60/x
  3. Step 3: Cross multiply
    11,804.80x = 17,668.80 × 9,193.60
  4. Step 4: Simplify right side
    11,804.80x = 162,439,879.68
  5. Step 5: Solve for x
    x = 162,439,879.68/11,804.80
  6. Step 6: Final answer
    x = 13,760.49

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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.