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Finding the Fourth Proportional to 17,311.40, 25,995.90 and 9,525.80

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Solution

The fourth proportional to 17,311.40, 25,995.90 and 9,525.80 is: 14,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.40 : 25,995.90 = 9,525.80 : x
  2. Step 2: Convert to fraction form
    17,311.40/25,995.90 = 9,525.80/x
  3. Step 3: Cross multiply
    17,311.40x = 25,995.90 × 9,525.80
  4. Step 4: Simplify right side
    17,311.40x = 247,631,744.22
  5. Step 5: Solve for x
    x = 247,631,744.22/17,311.40
  6. Step 6: Final answer
    x = 14,304.55

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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.