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Finding the Fourth Proportional to 65,798.99, 98,704.73 and 18,414.06

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Solution

The fourth proportional to 65,798.99, 98,704.73 and 18,414.06 is: 27,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,798.99 : 98,704.73 = 18,414.06 : x
  2. Step 2: Convert to fraction form
    65,798.99/98,704.73 = 18,414.06/x
  3. Step 3: Cross multiply
    65,798.99x = 98,704.73 × 18,414.06
  4. Step 4: Simplify right side
    65,798.99x = 1,817,554,820.50
  5. Step 5: Solve for x
    x = 1,817,554,820.50/65,798.99
  6. Step 6: Final answer
    x = 27,622.84

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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.