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Finding the Fourth Proportional to 65,037.74, 89,749.62 and 36,744.03

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Solution

The fourth proportional to 65,037.74, 89,749.62 and 36,744.03 is: 50,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,037.74 : 89,749.62 = 36,744.03 : x
  2. Step 2: Convert to fraction form
    65,037.74/89,749.62 = 36,744.03/x
  3. Step 3: Cross multiply
    65,037.74x = 89,749.62 × 36,744.03
  4. Step 4: Simplify right side
    65,037.74x = 3,297,762,729.77
  5. Step 5: Solve for x
    x = 3,297,762,729.77/65,037.74
  6. Step 6: Final answer
    x = 50,705.37

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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.