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Finding the Fourth Proportional to 71,033.32, 98,023.11 and 39,201.80

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Solution

The fourth proportional to 71,033.32, 98,023.11 and 39,201.80 is: 54,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,033.32 : 98,023.11 = 39,201.80 : x
  2. Step 2: Convert to fraction form
    71,033.32/98,023.11 = 39,201.80/x
  3. Step 3: Cross multiply
    71,033.32x = 98,023.11 × 39,201.80
  4. Step 4: Simplify right side
    71,033.32x = 3,842,682,353.60
  5. Step 5: Solve for x
    x = 3,842,682,353.60/71,033.32
  6. Step 6: Final answer
    x = 54,096.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.