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Finding the Fourth Proportional to 16,251.53, 24,380.94 and 5,158.58

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Solution

The fourth proportional to 16,251.53, 24,380.94 and 5,158.58 is: 7,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.53 : 24,380.94 = 5,158.58 : x
  2. Step 2: Convert to fraction form
    16,251.53/24,380.94 = 5,158.58/x
  3. Step 3: Cross multiply
    16,251.53x = 24,380.94 × 5,158.58
  4. Step 4: Simplify right side
    16,251.53x = 125,771,029.47
  5. Step 5: Solve for x
    x = 125,771,029.47/16,251.53
  6. Step 6: Final answer
    x = 7,739.03

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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.