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Finding the Fourth Proportional to 17,950.31, 24,771.08 and 9,992.46

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Solution

The fourth proportional to 17,950.31, 24,771.08 and 9,992.46 is: 13,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.31 : 24,771.08 = 9,992.46 : x
  2. Step 2: Convert to fraction form
    17,950.31/24,771.08 = 9,992.46/x
  3. Step 3: Cross multiply
    17,950.31x = 24,771.08 × 9,992.46
  4. Step 4: Simplify right side
    17,950.31x = 247,523,976.09
  5. Step 5: Solve for x
    x = 247,523,976.09/17,950.31
  6. Step 6: Final answer
    x = 13,789.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.