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Finding the Fourth Proportional to 9,394.91, 14,092.80 and 5,231.79

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Solution

The fourth proportional to 9,394.91, 14,092.80 and 5,231.79 is: 7,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.91 : 14,092.80 = 5,231.79 : x
  2. Step 2: Convert to fraction form
    9,394.91/14,092.80 = 5,231.79/x
  3. Step 3: Cross multiply
    9,394.91x = 14,092.80 × 5,231.79
  4. Step 4: Simplify right side
    9,394.91x = 73,730,570.11
  5. Step 5: Solve for x
    x = 73,730,570.11/9,394.91
  6. Step 6: Final answer
    x = 7,847.93

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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.