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Finding the Fourth Proportional to 28,546.83, 42,824.34 and 8,826.93

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Solution

The fourth proportional to 28,546.83, 42,824.34 and 8,826.93 is: 13,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.83 : 42,824.34 = 8,826.93 : x
  2. Step 2: Convert to fraction form
    28,546.83/42,824.34 = 8,826.93/x
  3. Step 3: Cross multiply
    28,546.83x = 42,824.34 × 8,826.93
  4. Step 4: Simplify right side
    28,546.83x = 378,007,451.48
  5. Step 5: Solve for x
    x = 378,007,451.48/28,546.83
  6. Step 6: Final answer
    x = 13,241.66

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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.