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Finding the Fourth Proportional to 64,541.46, 89,057.52 and 36,241.68

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Solution

The fourth proportional to 64,541.46, 89,057.52 and 36,241.68 is: 50,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,541.46 : 89,057.52 = 36,241.68 : x
  2. Step 2: Convert to fraction form
    64,541.46/89,057.52 = 36,241.68/x
  3. Step 3: Cross multiply
    64,541.46x = 89,057.52 × 36,241.68
  4. Step 4: Simplify right side
    64,541.46x = 3,227,594,141.43
  5. Step 5: Solve for x
    x = 3,227,594,141.43/64,541.46
  6. Step 6: Final answer
    x = 50,008.07

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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.