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Finding the Fourth Proportional to 11,698.08, 17,514.48 and 7,992.48

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Solution

The fourth proportional to 11,698.08, 17,514.48 and 7,992.48 is: 11,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.08 : 17,514.48 = 7,992.48 : x
  2. Step 2: Convert to fraction form
    11,698.08/17,514.48 = 7,992.48/x
  3. Step 3: Cross multiply
    11,698.08x = 17,514.48 × 7,992.48
  4. Step 4: Simplify right side
    11,698.08x = 139,984,131.11
  5. Step 5: Solve for x
    x = 139,984,131.11/11,698.08
  6. Step 6: Final answer
    x = 11,966.42

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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.