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Finding the Fourth Proportional to 71,026.76, 106,605.58 and 35,991.24

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Solution

The fourth proportional to 71,026.76, 106,605.58 and 35,991.24 is: 54,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,026.76 : 106,605.58 = 35,991.24 : x
  2. Step 2: Convert to fraction form
    71,026.76/106,605.58 = 35,991.24/x
  3. Step 3: Cross multiply
    71,026.76x = 106,605.58 × 35,991.24
  4. Step 4: Simplify right side
    71,026.76x = 3,836,867,015.12
  5. Step 5: Solve for x
    x = 3,836,867,015.12/71,026.76
  6. Step 6: Final answer
    x = 54,020.02

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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.