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Finding the Fourth Proportional to 11,779.37, 17,668.02 and 7,067.76

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Solution

The fourth proportional to 11,779.37, 17,668.02 and 7,067.76 is: 10,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.37 : 17,668.02 = 7,067.76 : x
  2. Step 2: Convert to fraction form
    11,779.37/17,668.02 = 7,067.76/x
  3. Step 3: Cross multiply
    11,779.37x = 17,668.02 × 7,067.76
  4. Step 4: Simplify right side
    11,779.37x = 124,873,285.28
  5. Step 5: Solve for x
    x = 124,873,285.28/11,779.37
  6. Step 6: Final answer
    x = 10,601.01

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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.