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Finding the Fourth Proportional to 65,467.74, 90,348.09 and 37,176.06

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Solution

The fourth proportional to 65,467.74, 90,348.09 and 37,176.06 is: 51,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,467.74 : 90,348.09 = 37,176.06 : x
  2. Step 2: Convert to fraction form
    65,467.74/90,348.09 = 37,176.06/x
  3. Step 3: Cross multiply
    65,467.74x = 90,348.09 × 37,176.06
  4. Step 4: Simplify right side
    65,467.74x = 3,358,786,014.73
  5. Step 5: Solve for x
    x = 3,358,786,014.73/65,467.74
  6. Step 6: Final answer
    x = 51,304.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.