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Finding the Fourth Proportional to 47,868.88, 71,739.96 and 36,733

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Solution

The fourth proportional to 47,868.88, 71,739.96 and 36,733 is: 55,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,868.88 : 71,739.96 = 36,733 : x
  2. Step 2: Convert to fraction form
    47,868.88/71,739.96 = 36,733/x
  3. Step 3: Cross multiply
    47,868.88x = 71,739.96 × 36,733
  4. Step 4: Simplify right side
    47,868.88x = 2,635,223,950.68
  5. Step 5: Solve for x
    x = 2,635,223,950.68/47,868.88
  6. Step 6: Final answer
    x = 55,050.88

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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.