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Finding the Fourth Proportional to 18,795.92, 28,193.87 and 17,550.36

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Solution

The fourth proportional to 18,795.92, 28,193.87 and 17,550.36 is: 26,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.92 : 28,193.87 = 17,550.36 : x
  2. Step 2: Convert to fraction form
    18,795.92/28,193.87 = 17,550.36/x
  3. Step 3: Cross multiply
    18,795.92x = 28,193.87 × 17,550.36
  4. Step 4: Simplify right side
    18,795.92x = 494,812,559.31
  5. Step 5: Solve for x
    x = 494,812,559.31/18,795.92
  6. Step 6: Final answer
    x = 26,325.53

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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.