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Finding the Fourth Proportional to 69,992.35, 104,914.26 and 34,403.48

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Solution

The fourth proportional to 69,992.35, 104,914.26 and 34,403.48 is: 51,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,992.35 : 104,914.26 = 34,403.48 : x
  2. Step 2: Convert to fraction form
    69,992.35/104,914.26 = 34,403.48/x
  3. Step 3: Cross multiply
    69,992.35x = 104,914.26 × 34,403.48
  4. Step 4: Simplify right side
    69,992.35x = 3,609,416,201.38
  5. Step 5: Solve for x
    x = 3,609,416,201.38/69,992.35
  6. Step 6: Final answer
    x = 51,568.72

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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.