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Finding the Fourth Proportional to 45,471.82, 62,733.72 and 28,469.02

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Solution

The fourth proportional to 45,471.82, 62,733.72 and 28,469.02 is: 39,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,471.82 : 62,733.72 = 28,469.02 : x
  2. Step 2: Convert to fraction form
    45,471.82/62,733.72 = 28,469.02/x
  3. Step 3: Cross multiply
    45,471.82x = 62,733.72 × 28,469.02
  4. Step 4: Simplify right side
    45,471.82x = 1,785,967,529.35
  5. Step 5: Solve for x
    x = 1,785,967,529.35/45,471.82
  6. Step 6: Final answer
    x = 39,276.36

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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.