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Finding the Fourth Proportional to 17,076.80, 23,525.16 and 16,347.80

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Solution

The fourth proportional to 17,076.80, 23,525.16 and 16,347.80 is: 22,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.80 : 23,525.16 = 16,347.80 : x
  2. Step 2: Convert to fraction form
    17,076.80/23,525.16 = 16,347.80/x
  3. Step 3: Cross multiply
    17,076.80x = 23,525.16 × 16,347.80
  4. Step 4: Simplify right side
    17,076.80x = 384,584,610.65
  5. Step 5: Solve for x
    x = 384,584,610.65/17,076.80
  6. Step 6: Final answer
    x = 22,520.88

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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.