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Finding the Fourth Proportional to 20,195.00, 30,293.51 and 7,716.11

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Solution

The fourth proportional to 20,195.00, 30,293.51 and 7,716.11 is: 11,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.00 : 30,293.51 = 7,716.11 : x
  2. Step 2: Convert to fraction form
    20,195.00/30,293.51 = 7,716.11/x
  3. Step 3: Cross multiply
    20,195.00x = 30,293.51 × 7,716.11
  4. Step 4: Simplify right side
    20,195.00x = 233,747,865.40
  5. Step 5: Solve for x
    x = 233,747,865.40/20,195.00
  6. Step 6: Final answer
    x = 11,574.54

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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.