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Finding the Fourth Proportional to 65,603.39, 98,380.91 and 23,472.05

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Solution

The fourth proportional to 65,603.39, 98,380.91 and 23,472.05 is: 35,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,603.39 : 98,380.91 = 23,472.05 : x
  2. Step 2: Convert to fraction form
    65,603.39/98,380.91 = 23,472.05/x
  3. Step 3: Cross multiply
    65,603.39x = 98,380.91 × 23,472.05
  4. Step 4: Simplify right side
    65,603.39x = 2,309,201,205.34
  5. Step 5: Solve for x
    x = 2,309,201,205.34/65,603.39
  6. Step 6: Final answer
    x = 35,199.42

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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.