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Finding the Fourth Proportional to 17,173.99, 25,739.46 and 9,276.19

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Solution

The fourth proportional to 17,173.99, 25,739.46 and 9,276.19 is: 13,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.99 : 25,739.46 = 9,276.19 : x
  2. Step 2: Convert to fraction form
    17,173.99/25,739.46 = 9,276.19/x
  3. Step 3: Cross multiply
    17,173.99x = 25,739.46 × 9,276.19
  4. Step 4: Simplify right side
    17,173.99x = 238,764,121.46
  5. Step 5: Solve for x
    x = 238,764,121.46/17,173.99
  6. Step 6: Final answer
    x = 13,902.66

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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.