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Finding the Fourth Proportional to 66,294.67, 91,491.53 and 37,619.25

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Solution

The fourth proportional to 66,294.67, 91,491.53 and 37,619.25 is: 51,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,294.67 : 91,491.53 = 37,619.25 : x
  2. Step 2: Convert to fraction form
    66,294.67/91,491.53 = 37,619.25/x
  3. Step 3: Cross multiply
    66,294.67x = 91,491.53 × 37,619.25
  4. Step 4: Simplify right side
    66,294.67x = 3,441,842,723.40
  5. Step 5: Solve for x
    x = 3,441,842,723.40/66,294.67
  6. Step 6: Final answer
    x = 51,917.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.