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Finding the Fourth Proportional to 65,395.80, 98,023.50 and 25,898.04

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Solution

The fourth proportional to 65,395.80, 98,023.50 and 25,898.04 is: 38,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,395.80 : 98,023.50 = 25,898.04 : x
  2. Step 2: Convert to fraction form
    65,395.80/98,023.50 = 25,898.04/x
  3. Step 3: Cross multiply
    65,395.80x = 98,023.50 × 25,898.04
  4. Step 4: Simplify right side
    65,395.80x = 2,538,616,523.94
  5. Step 5: Solve for x
    x = 2,538,616,523.94/65,395.80
  6. Step 6: Final answer
    x = 38,819.26

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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.