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Finding the Fourth Proportional to 40,418.70, 60,628.05 and 36,044.70

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Solution

The fourth proportional to 40,418.70, 60,628.05 and 36,044.70 is: 54,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.70 : 60,628.05 = 36,044.70 : x
  2. Step 2: Convert to fraction form
    40,418.70/60,628.05 = 36,044.70/x
  3. Step 3: Cross multiply
    40,418.70x = 60,628.05 × 36,044.70
  4. Step 4: Simplify right side
    40,418.70x = 2,185,319,873.84
  5. Step 5: Solve for x
    x = 2,185,319,873.84/40,418.70
  6. Step 6: Final answer
    x = 54,067.05

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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.