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Finding the Fourth Proportional to 36,637.80, 54,964.80 and 16,911.60

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Solution

The fourth proportional to 36,637.80, 54,964.80 and 16,911.60 is: 25,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,637.80 : 54,964.80 = 16,911.60 : x
  2. Step 2: Convert to fraction form
    36,637.80/54,964.80 = 16,911.60/x
  3. Step 3: Cross multiply
    36,637.80x = 54,964.80 × 16,911.60
  4. Step 4: Simplify right side
    36,637.80x = 929,542,711.68
  5. Step 5: Solve for x
    x = 929,542,711.68/36,637.80
  6. Step 6: Final answer
    x = 25,371.14

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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.