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Finding the Fourth Proportional to 65,185.44, 89,950.86 and 36,893.04

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Solution

The fourth proportional to 65,185.44, 89,950.86 and 36,893.04 is: 50,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,185.44 : 89,950.86 = 36,893.04 : x
  2. Step 2: Convert to fraction form
    65,185.44/89,950.86 = 36,893.04/x
  3. Step 3: Cross multiply
    65,185.44x = 89,950.86 × 36,893.04
  4. Step 4: Simplify right side
    65,185.44x = 3,318,560,676.01
  5. Step 5: Solve for x
    x = 3,318,560,676.01/65,185.44
  6. Step 6: Final answer
    x = 50,909.54

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1.5x scale

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.