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Finding the Fourth Proportional to 40,054.99, 60,082.49 and 13,759.56

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Solution

The fourth proportional to 40,054.99, 60,082.49 and 13,759.56 is: 20,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,054.99 : 60,082.49 = 13,759.56 : x
  2. Step 2: Convert to fraction form
    40,054.99/60,082.49 = 13,759.56/x
  3. Step 3: Cross multiply
    40,054.99x = 60,082.49 × 13,759.56
  4. Step 4: Simplify right side
    40,054.99x = 826,708,626.10
  5. Step 5: Solve for x
    x = 826,708,626.10/40,054.99
  6. Step 6: Final answer
    x = 20,639.34

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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.