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Finding the Fourth Proportional to 53,171.92, 73,380.53 and 29,298.59

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Solution

The fourth proportional to 53,171.92, 73,380.53 and 29,298.59 is: 40,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.92 : 73,380.53 = 29,298.59 : x
  2. Step 2: Convert to fraction form
    53,171.92/73,380.53 = 29,298.59/x
  3. Step 3: Cross multiply
    53,171.92x = 73,380.53 × 29,298.59
  4. Step 4: Simplify right side
    53,171.92x = 2,149,945,915.96
  5. Step 5: Solve for x
    x = 2,149,945,915.96/53,171.92
  6. Step 6: Final answer
    x = 40,433.86

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1.5x scale

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.