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Finding the Fourth Proportional to 16,015.20, 24,022.80 and 15,410.40

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Solution

The fourth proportional to 16,015.20, 24,022.80 and 15,410.40 is: 23,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.20 : 24,022.80 = 15,410.40 : x
  2. Step 2: Convert to fraction form
    16,015.20/24,022.80 = 15,410.40/x
  3. Step 3: Cross multiply
    16,015.20x = 24,022.80 × 15,410.40
  4. Step 4: Simplify right side
    16,015.20x = 370,200,957.12
  5. Step 5: Solve for x
    x = 370,200,957.12/16,015.20
  6. Step 6: Final answer
    x = 23,115.60

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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.