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Finding the Fourth Proportional to 65,544.49, 90,459.09 and 37,254.43

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Solution

The fourth proportional to 65,544.49, 90,459.09 and 37,254.43 is: 51,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,544.49 : 90,459.09 = 37,254.43 : x
  2. Step 2: Convert to fraction form
    65,544.49/90,459.09 = 37,254.43/x
  3. Step 3: Cross multiply
    65,544.49x = 90,459.09 × 37,254.43
  4. Step 4: Simplify right side
    65,544.49x = 3,370,001,836.27
  5. Step 5: Solve for x
    x = 3,370,001,836.27/65,544.49
  6. Step 6: Final answer
    x = 51,415.49

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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.