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Finding the Fourth Proportional to 65,952.90, 91,019.46 and 37,262.61

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Solution

The fourth proportional to 65,952.90, 91,019.46 and 37,262.61 is: 51,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,952.90 : 91,019.46 = 37,262.61 : x
  2. Step 2: Convert to fraction form
    65,952.90/91,019.46 = 37,262.61/x
  3. Step 3: Cross multiply
    65,952.90x = 91,019.46 × 37,262.61
  4. Step 4: Simplify right side
    65,952.90x = 3,391,622,640.39
  5. Step 5: Solve for x
    x = 3,391,622,640.39/65,952.90
  6. Step 6: Final answer
    x = 51,424.92

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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.