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Finding the Fourth Proportional to 40,495.38, 60,752.81 and 12,793.38

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Solution

The fourth proportional to 40,495.38, 60,752.81 and 12,793.38 is: 19,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.38 : 60,752.81 = 12,793.38 : x
  2. Step 2: Convert to fraction form
    40,495.38/60,752.81 = 12,793.38/x
  3. Step 3: Cross multiply
    40,495.38x = 60,752.81 × 12,793.38
  4. Step 4: Simplify right side
    40,495.38x = 777,233,784.40
  5. Step 5: Solve for x
    x = 777,233,784.40/40,495.38
  6. Step 6: Final answer
    x = 19,193.15

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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.