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Finding the Fourth Proportional to 17,323.32, 25,986.80 and 8,549.80

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Solution

The fourth proportional to 17,323.32, 25,986.80 and 8,549.80 is: 12,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,323.32 : 25,986.80 = 8,549.80 : x
  2. Step 2: Convert to fraction form
    17,323.32/25,986.80 = 8,549.80/x
  3. Step 3: Cross multiply
    17,323.32x = 25,986.80 × 8,549.80
  4. Step 4: Simplify right side
    17,323.32x = 222,181,942.64
  5. Step 5: Solve for x
    x = 222,181,942.64/17,323.32
  6. Step 6: Final answer
    x = 12,825.60

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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.