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Finding the Fourth Proportional to 17,409.80, 26,076.30 and 17,025.80

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Solution

The fourth proportional to 17,409.80, 26,076.30 and 17,025.80 is: 25,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.80 : 26,076.30 = 17,025.80 : x
  2. Step 2: Convert to fraction form
    17,409.80/26,076.30 = 17,025.80/x
  3. Step 3: Cross multiply
    17,409.80x = 26,076.30 × 17,025.80
  4. Step 4: Simplify right side
    17,409.80x = 443,969,868.54
  5. Step 5: Solve for x
    x = 443,969,868.54/17,409.80
  6. Step 6: Final answer
    x = 25,501.15

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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.