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Finding the Fourth Proportional to 65,796.96, 98,651.60 and 36,228.72

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Solution

The fourth proportional to 65,796.96, 98,651.60 and 36,228.72 is: 54,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,796.96 : 98,651.60 = 36,228.72 : x
  2. Step 2: Convert to fraction form
    65,796.96/98,651.60 = 36,228.72/x
  3. Step 3: Cross multiply
    65,796.96x = 98,651.60 × 36,228.72
  4. Step 4: Simplify right side
    65,796.96x = 3,574,021,193.95
  5. Step 5: Solve for x
    x = 3,574,021,193.95/65,796.96
  6. Step 6: Final answer
    x = 54,318.94

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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.