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Finding the Fourth Proportional to 65,033.92, 89,748.48 and 36,352.72

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Solution

The fourth proportional to 65,033.92, 89,748.48 and 36,352.72 is: 50,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,033.92 : 89,748.48 = 36,352.72 : x
  2. Step 2: Convert to fraction form
    65,033.92/89,748.48 = 36,352.72/x
  3. Step 3: Cross multiply
    65,033.92x = 89,748.48 × 36,352.72
  4. Step 4: Simplify right side
    65,033.92x = 3,262,601,363.87
  5. Step 5: Solve for x
    x = 3,262,601,363.87/65,033.92
  6. Step 6: Final answer
    x = 50,167.69

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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.