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Finding the Fourth Proportional to 17,739.92, 26,602.18 and 9,418.12

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Solution

The fourth proportional to 17,739.92, 26,602.18 and 9,418.12 is: 14,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.92 : 26,602.18 = 9,418.12 : x
  2. Step 2: Convert to fraction form
    17,739.92/26,602.18 = 9,418.12/x
  3. Step 3: Cross multiply
    17,739.92x = 26,602.18 × 9,418.12
  4. Step 4: Simplify right side
    17,739.92x = 250,542,523.50
  5. Step 5: Solve for x
    x = 250,542,523.50/17,739.92
  6. Step 6: Final answer
    x = 14,123.09

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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.