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Finding the Fourth Proportional to 17,989.27, 26,982.88 and 6,895.51

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Solution

The fourth proportional to 17,989.27, 26,982.88 and 6,895.51 is: 10,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.27 : 26,982.88 = 6,895.51 : x
  2. Step 2: Convert to fraction form
    17,989.27/26,982.88 = 6,895.51/x
  3. Step 3: Cross multiply
    17,989.27x = 26,982.88 × 6,895.51
  4. Step 4: Simplify right side
    17,989.27x = 186,060,718.87
  5. Step 5: Solve for x
    x = 186,060,718.87/17,989.27
  6. Step 6: Final answer
    x = 10,342.87

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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.