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Finding the Fourth Proportional to 8,749.46, 12,074.22 and 4,770.57

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Solution

The fourth proportional to 8,749.46, 12,074.22 and 4,770.57 is: 6,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.46 : 12,074.22 = 4,770.57 : x
  2. Step 2: Convert to fraction form
    8,749.46/12,074.22 = 4,770.57/x
  3. Step 3: Cross multiply
    8,749.46x = 12,074.22 × 4,770.57
  4. Step 4: Simplify right side
    8,749.46x = 57,600,911.71
  5. Step 5: Solve for x
    x = 57,600,911.71/8,749.46
  6. Step 6: Final answer
    x = 6,583.37

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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.