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Finding the Fourth Proportional to 17,357, 23,995.86 and 16,622.60

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Solution

The fourth proportional to 17,357, 23,995.86 and 16,622.60 is: 22,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,357 : 23,995.86 = 16,622.60 : x
  2. Step 2: Convert to fraction form
    17,357/23,995.86 = 16,622.60/x
  3. Step 3: Cross multiply
    17,357x = 23,995.86 × 16,622.60
  4. Step 4: Simplify right side
    17,357x = 398,873,582.44
  5. Step 5: Solve for x
    x = 398,873,582.44/17,357
  6. Step 6: Final answer
    x = 22,980.56

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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.