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Finding the Fourth Proportional to 16,333.48, 24,489.69 and 6,979.60

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Solution

The fourth proportional to 16,333.48, 24,489.69 and 6,979.60 is: 10,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,333.48 : 24,489.69 = 6,979.60 : x
  2. Step 2: Convert to fraction form
    16,333.48/24,489.69 = 6,979.60/x
  3. Step 3: Cross multiply
    16,333.48x = 24,489.69 × 6,979.60
  4. Step 4: Simplify right side
    16,333.48x = 170,928,240.32
  5. Step 5: Solve for x
    x = 170,928,240.32/16,333.48
  6. Step 6: Final answer
    x = 10,464.90

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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.