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Finding the Fourth Proportional to 17,381.76, 26,063.22 and 6,131.46

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Solution

The fourth proportional to 17,381.76, 26,063.22 and 6,131.46 is: 9,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.76 : 26,063.22 = 6,131.46 : x
  2. Step 2: Convert to fraction form
    17,381.76/26,063.22 = 6,131.46/x
  3. Step 3: Cross multiply
    17,381.76x = 26,063.22 × 6,131.46
  4. Step 4: Simplify right side
    17,381.76x = 159,805,590.90
  5. Step 5: Solve for x
    x = 159,805,590.90/17,381.76
  6. Step 6: Final answer
    x = 9,193.87

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1.5x scale

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.