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Finding the Fourth Proportional to 70,793.38, 106,204.65 and 26,409.43

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Solution

The fourth proportional to 70,793.38, 106,204.65 and 26,409.43 is: 39,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,793.38 : 106,204.65 = 26,409.43 : x
  2. Step 2: Convert to fraction form
    70,793.38/106,204.65 = 26,409.43/x
  3. Step 3: Cross multiply
    70,793.38x = 106,204.65 × 26,409.43
  4. Step 4: Simplify right side
    70,793.38x = 2,804,804,269.85
  5. Step 5: Solve for x
    x = 2,804,804,269.85/70,793.38
  6. Step 6: Final answer
    x = 39,619.58

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1.5x scale

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.