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Finding the Fourth Proportional to 40,591.77, 60,893.39 and 12,514.11

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Solution

The fourth proportional to 40,591.77, 60,893.39 and 12,514.11 is: 18,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,591.77 : 60,893.39 = 12,514.11 : x
  2. Step 2: Convert to fraction form
    40,591.77/60,893.39 = 12,514.11/x
  3. Step 3: Cross multiply
    40,591.77x = 60,893.39 × 12,514.11
  4. Step 4: Simplify right side
    40,591.77x = 762,026,612.02
  5. Step 5: Solve for x
    x = 762,026,612.02/40,591.77
  6. Step 6: Final answer
    x = 18,772.93

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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.