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Finding the Fourth Proportional to 8,440.73, 11,648.40 and 4,904.18

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Solution

The fourth proportional to 8,440.73, 11,648.40 and 4,904.18 is: 6,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.73 : 11,648.40 = 4,904.18 : x
  2. Step 2: Convert to fraction form
    8,440.73/11,648.40 = 4,904.18/x
  3. Step 3: Cross multiply
    8,440.73x = 11,648.40 × 4,904.18
  4. Step 4: Simplify right side
    8,440.73x = 57,125,850.31
  5. Step 5: Solve for x
    x = 57,125,850.31/8,440.73
  6. Step 6: Final answer
    x = 6,767.88

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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.