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Finding the Fourth Proportional to 71,014.68, 98,000.04 and 39,183.30

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Solution

The fourth proportional to 71,014.68, 98,000.04 and 39,183.30 is: 54,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,014.68 : 98,000.04 = 39,183.30 : x
  2. Step 2: Convert to fraction form
    71,014.68/98,000.04 = 39,183.30/x
  3. Step 3: Cross multiply
    71,014.68x = 98,000.04 × 39,183.30
  4. Step 4: Simplify right side
    71,014.68x = 3,839,964,967.33
  5. Step 5: Solve for x
    x = 3,839,964,967.33/71,014.68
  6. Step 6: Final answer
    x = 54,072.83

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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.