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Finding the Fourth Proportional to 65,429.76, 98,170.56 and 23,905.92

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Solution

The fourth proportional to 65,429.76, 98,170.56 and 23,905.92 is: 35,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,429.76 : 98,170.56 = 23,905.92 : x
  2. Step 2: Convert to fraction form
    65,429.76/98,170.56 = 23,905.92/x
  3. Step 3: Cross multiply
    65,429.76x = 98,170.56 × 23,905.92
  4. Step 4: Simplify right side
    65,429.76x = 2,346,857,553.72
  5. Step 5: Solve for x
    x = 2,346,857,553.72/65,429.76
  6. Step 6: Final answer
    x = 35,868.35

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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.