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Finding the Fourth Proportional to 8,933.96, 12,328.22 and 4,900.14

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Solution

The fourth proportional to 8,933.96, 12,328.22 and 4,900.14 is: 6,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.96 : 12,328.22 = 4,900.14 : x
  2. Step 2: Convert to fraction form
    8,933.96/12,328.22 = 4,900.14/x
  3. Step 3: Cross multiply
    8,933.96x = 12,328.22 × 4,900.14
  4. Step 4: Simplify right side
    8,933.96x = 60,409,979.45
  5. Step 5: Solve for x
    x = 60,409,979.45/8,933.96
  6. Step 6: Final answer
    x = 6,761.84

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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.