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Finding the Fourth Proportional to 74,593.56, 111,851.84 and 21,996.20

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Solution

The fourth proportional to 74,593.56, 111,851.84 and 21,996.20 is: 32,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,593.56 : 111,851.84 = 21,996.20 : x
  2. Step 2: Convert to fraction form
    74,593.56/111,851.84 = 21,996.20/x
  3. Step 3: Cross multiply
    74,593.56x = 111,851.84 × 21,996.20
  4. Step 4: Simplify right side
    74,593.56x = 2,460,315,443.01
  5. Step 5: Solve for x
    x = 2,460,315,443.01/74,593.56
  6. Step 6: Final answer
    x = 32,982.95

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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.