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Finding the Fourth Proportional to 51,873.92, 71,580.84 and 29,212.28

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Solution

The fourth proportional to 51,873.92, 71,580.84 and 29,212.28 is: 40,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,873.92 : 71,580.84 = 29,212.28 : x
  2. Step 2: Convert to fraction form
    51,873.92/71,580.84 = 29,212.28/x
  3. Step 3: Cross multiply
    51,873.92x = 71,580.84 × 29,212.28
  4. Step 4: Simplify right side
    51,873.92x = 2,091,039,540.72
  5. Step 5: Solve for x
    x = 2,091,039,540.72/51,873.92
  6. Step 6: Final answer
    x = 40,310.04

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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.