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Finding the Fourth Proportional to 20,583.44, 30,877.06 and 9,493.20

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Solution

The fourth proportional to 20,583.44, 30,877.06 and 9,493.20 is: 14,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.44 : 30,877.06 = 9,493.20 : x
  2. Step 2: Convert to fraction form
    20,583.44/30,877.06 = 9,493.20/x
  3. Step 3: Cross multiply
    20,583.44x = 30,877.06 × 9,493.20
  4. Step 4: Simplify right side
    20,583.44x = 293,122,105.99
  5. Step 5: Solve for x
    x = 293,122,105.99/20,583.44
  6. Step 6: Final answer
    x = 14,240.68

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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.