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Finding the Fourth Proportional to 62,824.92, 94,251.28 and 20,703.30

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Solution

The fourth proportional to 62,824.92, 94,251.28 and 20,703.30 is: 31,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,824.92 : 94,251.28 = 20,703.30 : x
  2. Step 2: Convert to fraction form
    62,824.92/94,251.28 = 20,703.30/x
  3. Step 3: Cross multiply
    62,824.92x = 94,251.28 × 20,703.30
  4. Step 4: Simplify right side
    62,824.92x = 1,951,312,525.22
  5. Step 5: Solve for x
    x = 1,951,312,525.22/62,824.92
  6. Step 6: Final answer
    x = 31,059.53

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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.