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Finding the Fourth Proportional to 17,963.66, 26,938.92 and 6,864.86

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Solution

The fourth proportional to 17,963.66, 26,938.92 and 6,864.86 is: 10,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.66 : 26,938.92 = 6,864.86 : x
  2. Step 2: Convert to fraction form
    17,963.66/26,938.92 = 6,864.86/x
  3. Step 3: Cross multiply
    17,963.66x = 26,938.92 × 6,864.86
  4. Step 4: Simplify right side
    17,963.66x = 184,931,914.35
  5. Step 5: Solve for x
    x = 184,931,914.35/17,963.66
  6. Step 6: Final answer
    x = 10,294.78

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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.