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Finding the Fourth Proportional to 65,369.40, 98,067.06 and 25,919.16

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Solution

The fourth proportional to 65,369.40, 98,067.06 and 25,919.16 is: 38,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,369.40 : 98,067.06 = 25,919.16 : x
  2. Step 2: Convert to fraction form
    65,369.40/98,067.06 = 25,919.16/x
  3. Step 3: Cross multiply
    65,369.40x = 98,067.06 × 25,919.16
  4. Step 4: Simplify right side
    65,369.40x = 2,541,815,818.87
  5. Step 5: Solve for x
    x = 2,541,815,818.87/65,369.40
  6. Step 6: Final answer
    x = 38,883.88

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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.