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Finding the Fourth Proportional to 64,741.71, 89,352.08 and 36,452.91

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Solution

The fourth proportional to 64,741.71, 89,352.08 and 36,452.91 is: 50,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,741.71 : 89,352.08 = 36,452.91 : x
  2. Step 2: Convert to fraction form
    64,741.71/89,352.08 = 36,452.91/x
  3. Step 3: Cross multiply
    64,741.71x = 89,352.08 × 36,452.91
  4. Step 4: Simplify right side
    64,741.71x = 3,257,143,148.29
  5. Step 5: Solve for x
    x = 3,257,143,148.29/64,741.71
  6. Step 6: Final answer
    x = 50,309.81

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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.