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Finding the Fourth Proportional to 66,244.08, 91,427.44 and 39,024.56

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Solution

The fourth proportional to 66,244.08, 91,427.44 and 39,024.56 is: 53,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,244.08 : 91,427.44 = 39,024.56 : x
  2. Step 2: Convert to fraction form
    66,244.08/91,427.44 = 39,024.56/x
  3. Step 3: Cross multiply
    66,244.08x = 91,427.44 × 39,024.56
  4. Step 4: Simplify right side
    66,244.08x = 3,567,915,617.93
  5. Step 5: Solve for x
    x = 3,567,915,617.93/66,244.08
  6. Step 6: Final answer
    x = 53,860.14

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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.