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Finding the Fourth Proportional to 12,755.52, 19,125.84 and 5,826.24

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Solution

The fourth proportional to 12,755.52, 19,125.84 and 5,826.24 is: 8,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.52 : 19,125.84 = 5,826.24 : x
  2. Step 2: Convert to fraction form
    12,755.52/19,125.84 = 5,826.24/x
  3. Step 3: Cross multiply
    12,755.52x = 19,125.84 × 5,826.24
  4. Step 4: Simplify right side
    12,755.52x = 111,431,734.04
  5. Step 5: Solve for x
    x = 111,431,734.04/12,755.52
  6. Step 6: Final answer
    x = 8,735.96

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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.