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Finding the Fourth Proportional to 35,993.45, 49,672.02 and 20,077.56

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Solution

The fourth proportional to 35,993.45, 49,672.02 and 20,077.56 is: 27,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,993.45 : 49,672.02 = 20,077.56 : x
  2. Step 2: Convert to fraction form
    35,993.45/49,672.02 = 20,077.56/x
  3. Step 3: Cross multiply
    35,993.45x = 49,672.02 × 20,077.56
  4. Step 4: Simplify right side
    35,993.45x = 997,292,961.87
  5. Step 5: Solve for x
    x = 997,292,961.87/35,993.45
  6. Step 6: Final answer
    x = 27,707.62

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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.