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Finding the Fourth Proportional to 17,150.80, 25,726.20 and 14,040.40

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Solution

The fourth proportional to 17,150.80, 25,726.20 and 14,040.40 is: 21,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,150.80 : 25,726.20 = 14,040.40 : x
  2. Step 2: Convert to fraction form
    17,150.80/25,726.20 = 14,040.40/x
  3. Step 3: Cross multiply
    17,150.80x = 25,726.20 × 14,040.40
  4. Step 4: Simplify right side
    17,150.80x = 361,206,138.48
  5. Step 5: Solve for x
    x = 361,206,138.48/17,150.80
  6. Step 6: Final answer
    x = 21,060.60

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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.