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Finding the Fourth Proportional to 66,419.44, 99,651.03 and 26,965.96

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Solution

The fourth proportional to 66,419.44, 99,651.03 and 26,965.96 is: 40,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,419.44 : 99,651.03 = 26,965.96 : x
  2. Step 2: Convert to fraction form
    66,419.44/99,651.03 = 26,965.96/x
  3. Step 3: Cross multiply
    66,419.44x = 99,651.03 × 26,965.96
  4. Step 4: Simplify right side
    66,419.44x = 2,687,185,677.22
  5. Step 5: Solve for x
    x = 2,687,185,677.22/66,419.44
  6. Step 6: Final answer
    x = 40,457.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.