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Finding the Fourth Proportional to 9,900.96, 13,662.64 and 5,814.10

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Solution

The fourth proportional to 9,900.96, 13,662.64 and 5,814.10 is: 8,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.96 : 13,662.64 = 5,814.10 : x
  2. Step 2: Convert to fraction form
    9,900.96/13,662.64 = 5,814.10/x
  3. Step 3: Cross multiply
    9,900.96x = 13,662.64 × 5,814.10
  4. Step 4: Simplify right side
    9,900.96x = 79,435,955.22
  5. Step 5: Solve for x
    x = 79,435,955.22/9,900.96
  6. Step 6: Final answer
    x = 8,023.06

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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.