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Finding the Fourth Proportional to 20,173.67, 30,260.51 and 6,323.75

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Solution

The fourth proportional to 20,173.67, 30,260.51 and 6,323.75 is: 9,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.67 : 30,260.51 = 6,323.75 : x
  2. Step 2: Convert to fraction form
    20,173.67/30,260.51 = 6,323.75/x
  3. Step 3: Cross multiply
    20,173.67x = 30,260.51 × 6,323.75
  4. Step 4: Simplify right side
    20,173.67x = 191,359,900.11
  5. Step 5: Solve for x
    x = 191,359,900.11/20,173.67
  6. Step 6: Final answer
    x = 9,485.63

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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.