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Finding the Fourth Proportional to 65,867.33, 90,896.81 and 35,652.65

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Solution

The fourth proportional to 65,867.33, 90,896.81 and 35,652.65 is: 49,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,867.33 : 90,896.81 = 35,652.65 : x
  2. Step 2: Convert to fraction form
    65,867.33/90,896.81 = 35,652.65/x
  3. Step 3: Cross multiply
    65,867.33x = 90,896.81 × 35,652.65
  4. Step 4: Simplify right side
    65,867.33x = 3,240,711,520.30
  5. Step 5: Solve for x
    x = 3,240,711,520.30/65,867.33
  6. Step 6: Final answer
    x = 49,200.59

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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.