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Finding the Fourth Proportional to 36,906.99, 55,326.42 and 14,715

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Solution

The fourth proportional to 36,906.99, 55,326.42 and 14,715 is: 22,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.99 : 55,326.42 = 14,715 : x
  2. Step 2: Convert to fraction form
    36,906.99/55,326.42 = 14,715/x
  3. Step 3: Cross multiply
    36,906.99x = 55,326.42 × 14,715
  4. Step 4: Simplify right side
    36,906.99x = 814,128,270.30
  5. Step 5: Solve for x
    x = 814,128,270.30/36,906.99
  6. Step 6: Final answer
    x = 22,058.92

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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.