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Finding the Fourth Proportional to 27,247.48, 40,866.07 and 8,524.70

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Solution

The fourth proportional to 27,247.48, 40,866.07 and 8,524.70 is: 12,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.48 : 40,866.07 = 8,524.70 : x
  2. Step 2: Convert to fraction form
    27,247.48/40,866.07 = 8,524.70/x
  3. Step 3: Cross multiply
    27,247.48x = 40,866.07 × 8,524.70
  4. Step 4: Simplify right side
    27,247.48x = 348,370,986.93
  5. Step 5: Solve for x
    x = 348,370,986.93/27,247.48
  6. Step 6: Final answer
    x = 12,785.44

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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.