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Finding the Fourth Proportional to 67,004, 100,435.92 and 22,615.52

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Solution

The fourth proportional to 67,004, 100,435.92 and 22,615.52 is: 33,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,004 : 100,435.92 = 22,615.52 : x
  2. Step 2: Convert to fraction form
    67,004/100,435.92 = 22,615.52/x
  3. Step 3: Cross multiply
    67,004x = 100,435.92 × 22,615.52
  4. Step 4: Simplify right side
    67,004x = 2,271,410,557.48
  5. Step 5: Solve for x
    x = 2,271,410,557.48/67,004
  6. Step 6: Final answer
    x = 33,899.63

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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.