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Finding the Fourth Proportional to 79,773.95, 119,675.15 and 26,469.12

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Solution

The fourth proportional to 79,773.95, 119,675.15 and 26,469.12 is: 39,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.95 : 119,675.15 = 26,469.12 : x
  2. Step 2: Convert to fraction form
    79,773.95/119,675.15 = 26,469.12/x
  3. Step 3: Cross multiply
    79,773.95x = 119,675.15 × 26,469.12
  4. Step 4: Simplify right side
    79,773.95x = 3,167,695,906.37
  5. Step 5: Solve for x
    x = 3,167,695,906.37/79,773.95
  6. Step 6: Final answer
    x = 39,708.40

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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.