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Finding the Fourth Proportional to 22,788.67, 34,182.80 and 7,994.12

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Solution

The fourth proportional to 22,788.67, 34,182.80 and 7,994.12 is: 11,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.67 : 34,182.80 = 7,994.12 : x
  2. Step 2: Convert to fraction form
    22,788.67/34,182.80 = 7,994.12/x
  3. Step 3: Cross multiply
    22,788.67x = 34,182.80 × 7,994.12
  4. Step 4: Simplify right side
    22,788.67x = 273,261,236.98
  5. Step 5: Solve for x
    x = 273,261,236.98/22,788.67
  6. Step 6: Final answer
    x = 11,991.10

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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.