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Finding the Fourth Proportional to 60,745.97, 91,149.70 and 40,983.00

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Solution

The fourth proportional to 60,745.97, 91,149.70 and 40,983.00 is: 61,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,745.97 : 91,149.70 = 40,983.00 : x
  2. Step 2: Convert to fraction form
    60,745.97/91,149.70 = 40,983.00/x
  3. Step 3: Cross multiply
    60,745.97x = 91,149.70 × 40,983.00
  4. Step 4: Simplify right side
    60,745.97x = 3,735,588,441.49
  5. Step 5: Solve for x
    x = 3,735,588,441.49/60,745.97
  6. Step 6: Final answer
    x = 61,495.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.