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Finding the Fourth Proportional to 65,489.50, 98,242.49 and 25,509.39

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Solution

The fourth proportional to 65,489.50, 98,242.49 and 25,509.39 is: 38,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,489.50 : 98,242.49 = 25,509.39 : x
  2. Step 2: Convert to fraction form
    65,489.50/98,242.49 = 25,509.39/x
  3. Step 3: Cross multiply
    65,489.50x = 98,242.49 × 25,509.39
  4. Step 4: Simplify right side
    65,489.50x = 2,506,105,991.98
  5. Step 5: Solve for x
    x = 2,506,105,991.98/65,489.50
  6. Step 6: Final answer
    x = 38,267.29

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