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Finding the Fourth Proportional to 8,754.82, 12,081.49 and 4,775.83

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Solution

The fourth proportional to 8,754.82, 12,081.49 and 4,775.83 is: 6,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.82 : 12,081.49 = 4,775.83 : x
  2. Step 2: Convert to fraction form
    8,754.82/12,081.49 = 4,775.83/x
  3. Step 3: Cross multiply
    8,754.82x = 12,081.49 × 4,775.83
  4. Step 4: Simplify right side
    8,754.82x = 57,699,100.24
  5. Step 5: Solve for x
    x = 57,699,100.24/8,754.82
  6. Step 6: Final answer
    x = 6,590.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.