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Finding the Fourth Proportional to 63,310.50, 87,370.78 and 35,016.39

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Solution

The fourth proportional to 63,310.50, 87,370.78 and 35,016.39 is: 48,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,310.50 : 87,370.78 = 35,016.39 : x
  2. Step 2: Convert to fraction form
    63,310.50/87,370.78 = 35,016.39/x
  3. Step 3: Cross multiply
    63,310.50x = 87,370.78 × 35,016.39
  4. Step 4: Simplify right side
    63,310.50x = 3,059,409,612.84
  5. Step 5: Solve for x
    x = 3,059,409,612.84/63,310.50
  6. Step 6: Final answer
    x = 48,323.89

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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.