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Finding the Fourth Proportional to 36,993.58, 55,495.90 and 13,618.24

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Solution

The fourth proportional to 36,993.58, 55,495.90 and 13,618.24 is: 20,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993.58 : 55,495.90 = 13,618.24 : x
  2. Step 2: Convert to fraction form
    36,993.58/55,495.90 = 13,618.24/x
  3. Step 3: Cross multiply
    36,993.58x = 55,495.90 × 13,618.24
  4. Step 4: Simplify right side
    36,993.58x = 755,756,485.22
  5. Step 5: Solve for x
    x = 755,756,485.22/36,993.58
  6. Step 6: Final answer
    x = 20,429.40

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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.