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Finding the Fourth Proportional to 20,014.67, 30,032.67 and 11,250.20

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Solution

The fourth proportional to 20,014.67, 30,032.67 and 11,250.20 is: 16,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.67 : 30,032.67 = 11,250.20 : x
  2. Step 2: Convert to fraction form
    20,014.67/30,032.67 = 11,250.20/x
  3. Step 3: Cross multiply
    20,014.67x = 30,032.67 × 11,250.20
  4. Step 4: Simplify right side
    20,014.67x = 337,873,544.03
  5. Step 5: Solve for x
    x = 337,873,544.03/20,014.67
  6. Step 6: Final answer
    x = 16,881.29

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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.