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Finding the Fourth Proportional to 51,876.99, 71,593.88 and 29,520.99

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Solution

The fourth proportional to 51,876.99, 71,593.88 and 29,520.99 is: 40,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.99 : 71,593.88 = 29,520.99 : x
  2. Step 2: Convert to fraction form
    51,876.99/71,593.88 = 29,520.99/x
  3. Step 3: Cross multiply
    51,876.99x = 71,593.88 × 29,520.99
  4. Step 4: Simplify right side
    51,876.99x = 2,113,522,067.94
  5. Step 5: Solve for x
    x = 2,113,522,067.94/51,876.99
  6. Step 6: Final answer
    x = 40,741.03

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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.