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Finding the Fourth Proportional to 71,210.46, 106,879.90 and 37,958.22

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Solution

The fourth proportional to 71,210.46, 106,879.90 and 37,958.22 is: 56,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,210.46 : 106,879.90 = 37,958.22 : x
  2. Step 2: Convert to fraction form
    71,210.46/106,879.90 = 37,958.22/x
  3. Step 3: Cross multiply
    71,210.46x = 106,879.90 × 37,958.22
  4. Step 4: Simplify right side
    71,210.46x = 4,056,970,757.78
  5. Step 5: Solve for x
    x = 4,056,970,757.78/71,210.46
  6. Step 6: Final answer
    x = 56,971.56

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1.5x scale

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.