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Finding the Fourth Proportional to 20,595.87, 30,844.26 and 19,562.31

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Solution

The fourth proportional to 20,595.87, 30,844.26 and 19,562.31 is: 29,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.87 : 30,844.26 = 19,562.31 : x
  2. Step 2: Convert to fraction form
    20,595.87/30,844.26 = 19,562.31/x
  3. Step 3: Cross multiply
    20,595.87x = 30,844.26 × 19,562.31
  4. Step 4: Simplify right side
    20,595.87x = 603,384,975.84
  5. Step 5: Solve for x
    x = 603,384,975.84/20,595.87
  6. Step 6: Final answer
    x = 29,296.41

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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.