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Finding the Fourth Proportional to 6,425.34, 8,866.89 and 3,630.84

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Solution

The fourth proportional to 6,425.34, 8,866.89 and 3,630.84 is: 5,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.34 : 8,866.89 = 3,630.84 : x
  2. Step 2: Convert to fraction form
    6,425.34/8,866.89 = 3,630.84/x
  3. Step 3: Cross multiply
    6,425.34x = 8,866.89 × 3,630.84
  4. Step 4: Simplify right side
    6,425.34x = 32,194,258.89
  5. Step 5: Solve for x
    x = 32,194,258.89/6,425.34
  6. Step 6: Final answer
    x = 5,010.51

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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.