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Finding the Fourth Proportional to 66,216.14, 91,375.31 and 37,535.39

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Solution

The fourth proportional to 66,216.14, 91,375.31 and 37,535.39 is: 51,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,216.14 : 91,375.31 = 37,535.39 : x
  2. Step 2: Convert to fraction form
    66,216.14/91,375.31 = 37,535.39/x
  3. Step 3: Cross multiply
    66,216.14x = 91,375.31 × 37,535.39
  4. Step 4: Simplify right side
    66,216.14x = 3,429,808,219.50
  5. Step 5: Solve for x
    x = 3,429,808,219.50/66,216.14
  6. Step 6: Final answer
    x = 51,797.16

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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.