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Finding the Fourth Proportional to 8,729.10, 13,092.21 and 4,048.92

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Solution

The fourth proportional to 8,729.10, 13,092.21 and 4,048.92 is: 6,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.10 : 13,092.21 = 4,048.92 : x
  2. Step 2: Convert to fraction form
    8,729.10/13,092.21 = 4,048.92/x
  3. Step 3: Cross multiply
    8,729.10x = 13,092.21 × 4,048.92
  4. Step 4: Simplify right side
    8,729.10x = 53,009,310.91
  5. Step 5: Solve for x
    x = 53,009,310.91/8,729.10
  6. Step 6: Final answer
    x = 6,072.71

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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.