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Finding the Fourth Proportional to 69,082.88, 95,334.37 and 39,274.88

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Solution

The fourth proportional to 69,082.88, 95,334.37 and 39,274.88 is: 54,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,082.88 : 95,334.37 = 39,274.88 : x
  2. Step 2: Convert to fraction form
    69,082.88/95,334.37 = 39,274.88/x
  3. Step 3: Cross multiply
    69,082.88x = 95,334.37 × 39,274.88
  4. Step 4: Simplify right side
    69,082.88x = 3,744,245,366.77
  5. Step 5: Solve for x
    x = 3,744,245,366.77/69,082.88
  6. Step 6: Final answer
    x = 54,199.33

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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.