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Finding the Fourth Proportional to 34,791.99, 48,012.95 and 18,876.44

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Solution

The fourth proportional to 34,791.99, 48,012.95 and 18,876.44 is: 26,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,791.99 : 48,012.95 = 18,876.44 : x
  2. Step 2: Convert to fraction form
    34,791.99/48,012.95 = 18,876.44/x
  3. Step 3: Cross multiply
    34,791.99x = 48,012.95 × 18,876.44
  4. Step 4: Simplify right side
    34,791.99x = 906,313,595.55
  5. Step 5: Solve for x
    x = 906,313,595.55/34,791.99
  6. Step 6: Final answer
    x = 26,049.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.