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Finding the Fourth Proportional to 17,863.64, 24,664.58 and 11,909.32

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Solution

The fourth proportional to 17,863.64, 24,664.58 and 11,909.32 is: 16,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.64 : 24,664.58 = 11,909.32 : x
  2. Step 2: Convert to fraction form
    17,863.64/24,664.58 = 11,909.32/x
  3. Step 3: Cross multiply
    17,863.64x = 24,664.58 × 11,909.32
  4. Step 4: Simplify right side
    17,863.64x = 293,738,375.89
  5. Step 5: Solve for x
    x = 293,738,375.89/17,863.64
  6. Step 6: Final answer
    x = 16,443.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.