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Finding the Fourth Proportional to 27,323.50, 40,960.52 and 9,789.42

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Solution

The fourth proportional to 27,323.50, 40,960.52 and 9,789.42 is: 14,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.50 : 40,960.52 = 9,789.42 : x
  2. Step 2: Convert to fraction form
    27,323.50/40,960.52 = 9,789.42/x
  3. Step 3: Cross multiply
    27,323.50x = 40,960.52 × 9,789.42
  4. Step 4: Simplify right side
    27,323.50x = 400,979,733.70
  5. Step 5: Solve for x
    x = 400,979,733.70/27,323.50
  6. Step 6: Final answer
    x = 14,675.27

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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.