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Finding the Fourth Proportional to 69,779.79, 96,295.05 and 37,947.96

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Solution

The fourth proportional to 69,779.79, 96,295.05 and 37,947.96 is: 52,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,779.79 : 96,295.05 = 37,947.96 : x
  2. Step 2: Convert to fraction form
    69,779.79/96,295.05 = 37,947.96/x
  3. Step 3: Cross multiply
    69,779.79x = 96,295.05 × 37,947.96
  4. Step 4: Simplify right side
    69,779.79x = 3,654,200,705.60
  5. Step 5: Solve for x
    x = 3,654,200,705.60/69,779.79
  6. Step 6: Final answer
    x = 52,367.61

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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.