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Finding the Fourth Proportional to 17,326.84, 25,990.03 and 4,179.11

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Solution

The fourth proportional to 17,326.84, 25,990.03 and 4,179.11 is: 6,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,326.84 : 25,990.03 = 4,179.11 : x
  2. Step 2: Convert to fraction form
    17,326.84/25,990.03 = 4,179.11/x
  3. Step 3: Cross multiply
    17,326.84x = 25,990.03 × 4,179.11
  4. Step 4: Simplify right side
    17,326.84x = 108,615,194.27
  5. Step 5: Solve for x
    x = 108,615,194.27/17,326.84
  6. Step 6: Final answer
    x = 6,268.61

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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.