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Finding the Fourth Proportional to 37,121.04, 55,679.04 and 17,404

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Solution

The fourth proportional to 37,121.04, 55,679.04 and 17,404 is: 26,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.04 : 55,679.04 = 17,404 : x
  2. Step 2: Convert to fraction form
    37,121.04/55,679.04 = 17,404/x
  3. Step 3: Cross multiply
    37,121.04x = 55,679.04 × 17,404
  4. Step 4: Simplify right side
    37,121.04x = 969,038,012.16
  5. Step 5: Solve for x
    x = 969,038,012.16/37,121.04
  6. Step 6: Final answer
    x = 26,104.82

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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.