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Finding the Fourth Proportional to 36,909.99, 55,330.92 and 14,718

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Solution

The fourth proportional to 36,909.99, 55,330.92 and 14,718 is: 22,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.99 : 55,330.92 = 14,718 : x
  2. Step 2: Convert to fraction form
    36,909.99/55,330.92 = 14,718/x
  3. Step 3: Cross multiply
    36,909.99x = 55,330.92 × 14,718
  4. Step 4: Simplify right side
    36,909.99x = 814,360,480.56
  5. Step 5: Solve for x
    x = 814,360,480.56/36,909.99
  6. Step 6: Final answer
    x = 22,063.42

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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.