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Finding the Fourth Proportional to 8,672.27, 13,000.03 and 3,995.50

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Solution

The fourth proportional to 8,672.27, 13,000.03 and 3,995.50 is: 5,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.27 : 13,000.03 = 3,995.50 : x
  2. Step 2: Convert to fraction form
    8,672.27/13,000.03 = 3,995.50/x
  3. Step 3: Cross multiply
    8,672.27x = 13,000.03 × 3,995.50
  4. Step 4: Simplify right side
    8,672.27x = 51,941,619.87
  5. Step 5: Solve for x
    x = 51,941,619.87/8,672.27
  6. Step 6: Final answer
    x = 5,989.39

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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.