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Finding the Fourth Proportional to 15,993.79, 23,994.93 and 5,463.79

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Solution

The fourth proportional to 15,993.79, 23,994.93 and 5,463.79 is: 8,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.79 : 23,994.93 = 5,463.79 : x
  2. Step 2: Convert to fraction form
    15,993.79/23,994.93 = 5,463.79/x
  3. Step 3: Cross multiply
    15,993.79x = 23,994.93 × 5,463.79
  4. Step 4: Simplify right side
    15,993.79x = 131,103,286.57
  5. Step 5: Solve for x
    x = 131,103,286.57/15,993.79
  6. Step 6: Final answer
    x = 8,197.14

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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.