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Finding the Fourth Proportional to 27,702, 41,553.81 and 6,925.50

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Solution

The fourth proportional to 27,702, 41,553.81 and 6,925.50 is: 10,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702 : 41,553.81 = 6,925.50 : x
  2. Step 2: Convert to fraction form
    27,702/41,553.81 = 6,925.50/x
  3. Step 3: Cross multiply
    27,702x = 41,553.81 × 6,925.50
  4. Step 4: Simplify right side
    27,702x = 287,780,911.16
  5. Step 5: Solve for x
    x = 287,780,911.16/27,702
  6. Step 6: Final answer
    x = 10,388.45

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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.