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Finding the Fourth Proportional to 64,603.92, 96,847.20 and 23,041.20

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Solution

The fourth proportional to 64,603.92, 96,847.20 and 23,041.20 is: 34,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,603.92 : 96,847.20 = 23,041.20 : x
  2. Step 2: Convert to fraction form
    64,603.92/96,847.20 = 23,041.20/x
  3. Step 3: Cross multiply
    64,603.92x = 96,847.20 × 23,041.20
  4. Step 4: Simplify right side
    64,603.92x = 2,231,475,704.64
  5. Step 5: Solve for x
    x = 2,231,475,704.64/64,603.92
  6. Step 6: Final answer
    x = 34,540.87

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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.