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Finding the Fourth Proportional to 71,004.52, 106,561.86 and 26,671.60

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Solution

The fourth proportional to 71,004.52, 106,561.86 and 26,671.60 is: 40,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,004.52 : 106,561.86 = 26,671.60 : x
  2. Step 2: Convert to fraction form
    71,004.52/106,561.86 = 26,671.60/x
  3. Step 3: Cross multiply
    71,004.52x = 106,561.86 × 26,671.60
  4. Step 4: Simplify right side
    71,004.52x = 2,842,175,305.18
  5. Step 5: Solve for x
    x = 2,842,175,305.18/71,004.52
  6. Step 6: Final answer
    x = 40,028.09

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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.