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Finding the Fourth Proportional to 28,449.52, 42,672.28 and 10,676.52

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Solution

The fourth proportional to 28,449.52, 42,672.28 and 10,676.52 is: 16,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.52 : 42,672.28 = 10,676.52 : x
  2. Step 2: Convert to fraction form
    28,449.52/42,672.28 = 10,676.52/x
  3. Step 3: Cross multiply
    28,449.52x = 42,672.28 × 10,676.52
  4. Step 4: Simplify right side
    28,449.52x = 455,591,450.87
  5. Step 5: Solve for x
    x = 455,591,450.87/28,449.52
  6. Step 6: Final answer
    x = 16,014.03

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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.