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Finding the Fourth Proportional to 35,993.70, 49,670.19 and 20,080.85

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Solution

The fourth proportional to 35,993.70, 49,670.19 and 20,080.85 is: 27,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,993.70 : 49,670.19 = 20,080.85 : x
  2. Step 2: Convert to fraction form
    35,993.70/49,670.19 = 20,080.85/x
  3. Step 3: Cross multiply
    35,993.70x = 49,670.19 × 20,080.85
  4. Step 4: Simplify right side
    35,993.70x = 997,419,386.51
  5. Step 5: Solve for x
    x = 997,419,386.51/35,993.70
  6. Step 6: Final answer
    x = 27,710.94

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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.