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Finding the Fourth Proportional to 20,058.63, 30,092.00 and 13,821.63

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Solution

The fourth proportional to 20,058.63, 30,092.00 and 13,821.63 is: 20,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.63 : 30,092.00 = 13,821.63 : x
  2. Step 2: Convert to fraction form
    20,058.63/30,092.00 = 13,821.63/x
  3. Step 3: Cross multiply
    20,058.63x = 30,092.00 × 13,821.63
  4. Step 4: Simplify right side
    20,058.63x = 415,920,420.85
  5. Step 5: Solve for x
    x = 415,920,420.85/20,058.63
  6. Step 6: Final answer
    x = 20,735.24

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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.