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Finding the Fourth Proportional to 23,788.42, 35,686.73 and 7,994.97

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Solution

The fourth proportional to 23,788.42, 35,686.73 and 7,994.97 is: 11,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.42 : 35,686.73 = 7,994.97 : x
  2. Step 2: Convert to fraction form
    23,788.42/35,686.73 = 7,994.97/x
  3. Step 3: Cross multiply
    23,788.42x = 35,686.73 × 7,994.97
  4. Step 4: Simplify right side
    23,788.42x = 285,314,355.74
  5. Step 5: Solve for x
    x = 285,314,355.74/23,788.42
  6. Step 6: Final answer
    x = 11,993.84

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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.