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Finding the Fourth Proportional to 65,449.40, 98,223.03 and 25,474.68

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Solution

The fourth proportional to 65,449.40, 98,223.03 and 25,474.68 is: 38,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,449.40 : 98,223.03 = 25,474.68 : x
  2. Step 2: Convert to fraction form
    65,449.40/98,223.03 = 25,474.68/x
  3. Step 3: Cross multiply
    65,449.40x = 98,223.03 × 25,474.68
  4. Step 4: Simplify right side
    65,449.40x = 2,502,200,257.88
  5. Step 5: Solve for x
    x = 2,502,200,257.88/65,449.40
  6. Step 6: Final answer
    x = 38,231.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.