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Finding the Fourth Proportional to 65,183.44, 89,952.36 and 36,888.40

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Solution

The fourth proportional to 65,183.44, 89,952.36 and 36,888.40 is: 50,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183.44 : 89,952.36 = 36,888.40 : x
  2. Step 2: Convert to fraction form
    65,183.44/89,952.36 = 36,888.40/x
  3. Step 3: Cross multiply
    65,183.44x = 89,952.36 × 36,888.40
  4. Step 4: Simplify right side
    65,183.44x = 3,318,198,636.62
  5. Step 5: Solve for x
    x = 3,318,198,636.62/65,183.44
  6. Step 6: Final answer
    x = 50,905.55

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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.