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Finding the Fourth Proportional to 65,603.60, 98,381.21 and 23,472.26

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Solution

The fourth proportional to 65,603.60, 98,381.21 and 23,472.26 is: 35,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,603.60 : 98,381.21 = 23,472.26 : x
  2. Step 2: Convert to fraction form
    65,603.60/98,381.21 = 23,472.26/x
  3. Step 3: Cross multiply
    65,603.60x = 98,381.21 × 23,472.26
  4. Step 4: Simplify right side
    65,603.60x = 2,309,228,730.97
  5. Step 5: Solve for x
    x = 2,309,228,730.97/65,603.60
  6. Step 6: Final answer
    x = 35,199.73

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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.