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Finding the Fourth Proportional to 17,080.80, 25,669.80 and 14,942.40

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Solution

The fourth proportional to 17,080.80, 25,669.80 and 14,942.40 is: 22,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.80 : 25,669.80 = 14,942.40 : x
  2. Step 2: Convert to fraction form
    17,080.80/25,669.80 = 14,942.40/x
  3. Step 3: Cross multiply
    17,080.80x = 25,669.80 × 14,942.40
  4. Step 4: Simplify right side
    17,080.80x = 383,568,419.52
  5. Step 5: Solve for x
    x = 383,568,419.52/17,080.80
  6. Step 6: Final answer
    x = 22,456.12

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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.