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Finding the Fourth Proportional to 79,648.96, 119,469.48 and 29,725.24

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Solution

The fourth proportional to 79,648.96, 119,469.48 and 29,725.24 is: 44,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,648.96 : 119,469.48 = 29,725.24 : x
  2. Step 2: Convert to fraction form
    79,648.96/119,469.48 = 29,725.24/x
  3. Step 3: Cross multiply
    79,648.96x = 119,469.48 × 29,725.24
  4. Step 4: Simplify right side
    79,648.96x = 3,551,258,965.68
  5. Step 5: Solve for x
    x = 3,551,258,965.68/79,648.96
  6. Step 6: Final answer
    x = 44,586.38

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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.