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Finding the Fourth Proportional to 23,994.28, 35,991.60 and 15,678.28

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Solution

The fourth proportional to 23,994.28, 35,991.60 and 15,678.28 is: 23,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,994.28 : 35,991.60 = 15,678.28 : x
  2. Step 2: Convert to fraction form
    23,994.28/35,991.60 = 15,678.28/x
  3. Step 3: Cross multiply
    23,994.28x = 35,991.60 × 15,678.28
  4. Step 4: Simplify right side
    23,994.28x = 564,286,382.45
  5. Step 5: Solve for x
    x = 564,286,382.45/23,994.28
  6. Step 6: Final answer
    x = 23,517.54

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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.