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Finding the Fourth Proportional to 28,054.80, 42,081.84 and 8,064.77

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Solution

The fourth proportional to 28,054.80, 42,081.84 and 8,064.77 is: 12,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.80 : 42,081.84 = 8,064.77 : x
  2. Step 2: Convert to fraction form
    28,054.80/42,081.84 = 8,064.77/x
  3. Step 3: Cross multiply
    28,054.80x = 42,081.84 × 8,064.77
  4. Step 4: Simplify right side
    28,054.80x = 339,380,150.37
  5. Step 5: Solve for x
    x = 339,380,150.37/28,054.80
  6. Step 6: Final answer
    x = 12,097.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.