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Finding the Fourth Proportional to 71,173.56, 106,764.74 and 23,792.91

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Solution

The fourth proportional to 71,173.56, 106,764.74 and 23,792.91 is: 35,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,173.56 : 106,764.74 = 23,792.91 : x
  2. Step 2: Convert to fraction form
    71,173.56/106,764.74 = 23,792.91/x
  3. Step 3: Cross multiply
    71,173.56x = 106,764.74 × 23,792.91
  4. Step 4: Simplify right side
    71,173.56x = 2,540,243,731.03
  5. Step 5: Solve for x
    x = 2,540,243,731.03/71,173.56
  6. Step 6: Final answer
    x = 35,690.83

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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.