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Finding the Fourth Proportional to 17,682.59, 26,523.89 and 8,316.79

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Solution

The fourth proportional to 17,682.59, 26,523.89 and 8,316.79 is: 12,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.59 : 26,523.89 = 8,316.79 : x
  2. Step 2: Convert to fraction form
    17,682.59/26,523.89 = 8,316.79/x
  3. Step 3: Cross multiply
    17,682.59x = 26,523.89 × 8,316.79
  4. Step 4: Simplify right side
    17,682.59x = 220,593,448.91
  5. Step 5: Solve for x
    x = 220,593,448.91/17,682.59
  6. Step 6: Final answer
    x = 12,475.18

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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.