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Finding the Fourth Proportional to 37,197.40, 55,809.72 and 17,216.44

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Solution

The fourth proportional to 37,197.40, 55,809.72 and 17,216.44 is: 25,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,197.40 : 55,809.72 = 17,216.44 : x
  2. Step 2: Convert to fraction form
    37,197.40/55,809.72 = 17,216.44/x
  3. Step 3: Cross multiply
    37,197.40x = 55,809.72 × 17,216.44
  4. Step 4: Simplify right side
    37,197.40x = 960,844,695.80
  5. Step 5: Solve for x
    x = 960,844,695.80/37,197.40
  6. Step 6: Final answer
    x = 25,830.96

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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.