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Finding the Fourth Proportional to 65,794.52, 98,698.06 and 18,409.64

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Solution

The fourth proportional to 65,794.52, 98,698.06 and 18,409.64 is: 27,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,794.52 : 98,698.06 = 18,409.64 : x
  2. Step 2: Convert to fraction form
    65,794.52/98,698.06 = 18,409.64/x
  3. Step 3: Cross multiply
    65,794.52x = 98,698.06 × 18,409.64
  4. Step 4: Simplify right side
    65,794.52x = 1,816,995,753.30
  5. Step 5: Solve for x
    x = 1,816,995,753.30/65,794.52
  6. Step 6: Final answer
    x = 27,616.22

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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.