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Finding the Fourth Proportional to 16,653.64, 24,980.11 and 5,408.97

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Solution

The fourth proportional to 16,653.64, 24,980.11 and 5,408.97 is: 8,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.64 : 24,980.11 = 5,408.97 : x
  2. Step 2: Convert to fraction form
    16,653.64/24,980.11 = 5,408.97/x
  3. Step 3: Cross multiply
    16,653.64x = 24,980.11 × 5,408.97
  4. Step 4: Simplify right side
    16,653.64x = 135,116,665.59
  5. Step 5: Solve for x
    x = 135,116,665.59/16,653.64
  6. Step 6: Final answer
    x = 8,113.34

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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.