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Finding the Fourth Proportional to 8,458.96, 11,672.28 and 4,922.68

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Solution

The fourth proportional to 8,458.96, 11,672.28 and 4,922.68 is: 6,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.96 : 11,672.28 = 4,922.68 : x
  2. Step 2: Convert to fraction form
    8,458.96/11,672.28 = 4,922.68/x
  3. Step 3: Cross multiply
    8,458.96x = 11,672.28 × 4,922.68
  4. Step 4: Simplify right side
    8,458.96x = 57,458,899.31
  5. Step 5: Solve for x
    x = 57,458,899.31/8,458.96
  6. Step 6: Final answer
    x = 6,792.67

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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.