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Finding the Fourth Proportional to 64,741.96, 89,352.42 and 36,453.16

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Solution

The fourth proportional to 64,741.96, 89,352.42 and 36,453.16 is: 50,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,741.96 : 89,352.42 = 36,453.16 : x
  2. Step 2: Convert to fraction form
    64,741.96/89,352.42 = 36,453.16/x
  3. Step 3: Cross multiply
    64,741.96x = 89,352.42 × 36,453.16
  4. Step 4: Simplify right side
    64,741.96x = 3,257,178,062.65
  5. Step 5: Solve for x
    x = 3,257,178,062.65/64,741.96
  6. Step 6: Final answer
    x = 50,310.16

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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.