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Finding the Fourth Proportional to 17,336.88, 23,924.74 and 9,379.12

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Solution

The fourth proportional to 17,336.88, 23,924.74 and 9,379.12 is: 12,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,336.88 : 23,924.74 = 9,379.12 : x
  2. Step 2: Convert to fraction form
    17,336.88/23,924.74 = 9,379.12/x
  3. Step 3: Cross multiply
    17,336.88x = 23,924.74 × 9,379.12
  4. Step 4: Simplify right side
    17,336.88x = 224,393,007.43
  5. Step 5: Solve for x
    x = 224,393,007.43/17,336.88
  6. Step 6: Final answer
    x = 12,943.10

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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.