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Finding the Fourth Proportional to 65,366.86, 98,055.78 and 25,924.36

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Solution

The fourth proportional to 65,366.86, 98,055.78 and 25,924.36 is: 38,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,366.86 : 98,055.78 = 25,924.36 : x
  2. Step 2: Convert to fraction form
    65,366.86/98,055.78 = 25,924.36/x
  3. Step 3: Cross multiply
    65,366.86x = 98,055.78 × 25,924.36
  4. Step 4: Simplify right side
    65,366.86x = 2,542,033,340.80
  5. Step 5: Solve for x
    x = 2,542,033,340.80/65,366.86
  6. Step 6: Final answer
    x = 38,888.72

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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.