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Finding the Fourth Proportional to 62,133.64, 85,745.40 and 33,839.30

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Solution

The fourth proportional to 62,133.64, 85,745.40 and 33,839.30 is: 46,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,133.64 : 85,745.40 = 33,839.30 : x
  2. Step 2: Convert to fraction form
    62,133.64/85,745.40 = 33,839.30/x
  3. Step 3: Cross multiply
    62,133.64x = 85,745.40 × 33,839.30
  4. Step 4: Simplify right side
    62,133.64x = 2,901,564,401.69
  5. Step 5: Solve for x
    x = 2,901,564,401.69/62,133.64
  6. Step 6: Final answer
    x = 46,698.77

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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.