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Finding the Fourth Proportional to 23,788.88, 35,690.52 and 7,992.08

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Solution

The fourth proportional to 23,788.88, 35,690.52 and 7,992.08 is: 11,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.88 : 35,690.52 = 7,992.08 : x
  2. Step 2: Convert to fraction form
    23,788.88/35,690.52 = 7,992.08/x
  3. Step 3: Cross multiply
    23,788.88x = 35,690.52 × 7,992.08
  4. Step 4: Simplify right side
    23,788.88x = 285,241,491.08
  5. Step 5: Solve for x
    x = 285,241,491.08/23,788.88
  6. Step 6: Final answer
    x = 11,990.54

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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.