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Finding the Fourth Proportional to 63,650.80, 87,835.60 and 35,358.28

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Solution

The fourth proportional to 63,650.80, 87,835.60 and 35,358.28 is: 48,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,650.80 : 87,835.60 = 35,358.28 : x
  2. Step 2: Convert to fraction form
    63,650.80/87,835.60 = 35,358.28/x
  3. Step 3: Cross multiply
    63,650.80x = 87,835.60 × 35,358.28
  4. Step 4: Simplify right side
    63,650.80x = 3,105,715,738.77
  5. Step 5: Solve for x
    x = 3,105,715,738.77/63,650.80
  6. Step 6: Final answer
    x = 48,793.04

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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.