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Finding the Fourth Proportional to 36,992.99, 55,484.00 and 13,613.96

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Solution

The fourth proportional to 36,992.99, 55,484.00 and 13,613.96 is: 20,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,992.99 : 55,484.00 = 13,613.96 : x
  2. Step 2: Convert to fraction form
    36,992.99/55,484.00 = 13,613.96/x
  3. Step 3: Cross multiply
    36,992.99x = 55,484.00 × 13,613.96
  4. Step 4: Simplify right side
    36,992.99x = 755,356,888.57
  5. Step 5: Solve for x
    x = 755,356,888.57/36,992.99
  6. Step 6: Final answer
    x = 20,418.92

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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.