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Finding the Fourth Proportional to 17,975.92, 26,963.88 and 8,734

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Solution

The fourth proportional to 17,975.92, 26,963.88 and 8,734 is: 13,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.92 : 26,963.88 = 8,734 : x
  2. Step 2: Convert to fraction form
    17,975.92/26,963.88 = 8,734/x
  3. Step 3: Cross multiply
    17,975.92x = 26,963.88 × 8,734
  4. Step 4: Simplify right side
    17,975.92x = 235,502,527.92
  5. Step 5: Solve for x
    x = 235,502,527.92/17,975.92
  6. Step 6: Final answer
    x = 13,101.00

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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.