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Finding the Fourth Proportional to 64,655.33, 89,223.49 and 36,361.02

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Solution

The fourth proportional to 64,655.33, 89,223.49 and 36,361.02 is: 50,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,655.33 : 89,223.49 = 36,361.02 : x
  2. Step 2: Convert to fraction form
    64,655.33/89,223.49 = 36,361.02/x
  3. Step 3: Cross multiply
    64,655.33x = 89,223.49 × 36,361.02
  4. Step 4: Simplify right side
    64,655.33x = 3,244,256,982.52
  5. Step 5: Solve for x
    x = 3,244,256,982.52/64,655.33
  6. Step 6: Final answer
    x = 50,177.72

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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.