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Finding the Fourth Proportional to 58,433.88, 80,620.81 and 35,749.22

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Solution

The fourth proportional to 58,433.88, 80,620.81 and 35,749.22 is: 49,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,433.88 : 80,620.81 = 35,749.22 : x
  2. Step 2: Convert to fraction form
    58,433.88/80,620.81 = 35,749.22/x
  3. Step 3: Cross multiply
    58,433.88x = 80,620.81 × 35,749.22
  4. Step 4: Simplify right side
    58,433.88x = 2,882,131,361.57
  5. Step 5: Solve for x
    x = 2,882,131,361.57/58,433.88
  6. Step 6: Final answer
    x = 49,322.95

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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.