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Finding the Fourth Proportional to 17,932.56, 26,898.68 and 7,408.23

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Solution

The fourth proportional to 17,932.56, 26,898.68 and 7,408.23 is: 11,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,932.56 : 26,898.68 = 7,408.23 : x
  2. Step 2: Convert to fraction form
    17,932.56/26,898.68 = 7,408.23/x
  3. Step 3: Cross multiply
    17,932.56x = 26,898.68 × 7,408.23
  4. Step 4: Simplify right side
    17,932.56x = 199,271,525.79
  5. Step 5: Solve for x
    x = 199,271,525.79/17,932.56
  6. Step 6: Final answer
    x = 11,112.28

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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.