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Finding the Fourth Proportional to 36,730.89, 50,688.60 and 19,963.89

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Solution

The fourth proportional to 36,730.89, 50,688.60 and 19,963.89 is: 27,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,730.89 : 50,688.60 = 19,963.89 : x
  2. Step 2: Convert to fraction form
    36,730.89/50,688.60 = 19,963.89/x
  3. Step 3: Cross multiply
    36,730.89x = 50,688.60 × 19,963.89
  4. Step 4: Simplify right side
    36,730.89x = 1,011,941,634.65
  5. Step 5: Solve for x
    x = 1,011,941,634.65/36,730.89
  6. Step 6: Final answer
    x = 27,550.15

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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.