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Finding the Fourth Proportional to 64,654.24, 89,224.86 and 36,361.48

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Solution

The fourth proportional to 64,654.24, 89,224.86 and 36,361.48 is: 50,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,654.24 : 89,224.86 = 36,361.48 : x
  2. Step 2: Convert to fraction form
    64,654.24/89,224.86 = 36,361.48/x
  3. Step 3: Cross multiply
    64,654.24x = 89,224.86 × 36,361.48
  4. Step 4: Simplify right side
    64,654.24x = 3,244,347,962.39
  5. Step 5: Solve for x
    x = 3,244,347,962.39/64,654.24
  6. Step 6: Final answer
    x = 50,179.97

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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.