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Finding the Fourth Proportional to 53,959.98, 80,949.33 and 16,519.17

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Solution

The fourth proportional to 53,959.98, 80,949.33 and 16,519.17 is: 24,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,959.98 : 80,949.33 = 16,519.17 : x
  2. Step 2: Convert to fraction form
    53,959.98/80,949.33 = 16,519.17/x
  3. Step 3: Cross multiply
    53,959.98x = 80,949.33 × 16,519.17
  4. Step 4: Simplify right side
    53,959.98x = 1,337,215,743.66
  5. Step 5: Solve for x
    x = 1,337,215,743.66/53,959.98
  6. Step 6: Final answer
    x = 24,781.62

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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.