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Finding the Fourth Proportional to 84,373.80, 126,563.00 and 36,964.50

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Solution

The fourth proportional to 84,373.80, 126,563.00 and 36,964.50 is: 55,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,373.80 : 126,563.00 = 36,964.50 : x
  2. Step 2: Convert to fraction form
    84,373.80/126,563.00 = 36,964.50/x
  3. Step 3: Cross multiply
    84,373.80x = 126,563.00 × 36,964.50
  4. Step 4: Simplify right side
    84,373.80x = 4,678,337,828.68
  5. Step 5: Solve for x
    x = 4,678,337,828.68/84,373.80
  6. Step 6: Final answer
    x = 55,447.76

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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.