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Finding the Fourth Proportional to 16,636.34, 24,933.75 and 8,318.74

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Solution

The fourth proportional to 16,636.34, 24,933.75 and 8,318.74 is: 12,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.34 : 24,933.75 = 8,318.74 : x
  2. Step 2: Convert to fraction form
    16,636.34/24,933.75 = 8,318.74/x
  3. Step 3: Cross multiply
    16,636.34x = 24,933.75 × 8,318.74
  4. Step 4: Simplify right side
    16,636.34x = 207,417,383.48
  5. Step 5: Solve for x
    x = 207,417,383.48/16,636.34
  6. Step 6: Final answer
    x = 12,467.73

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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.