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Finding the Fourth Proportional to 41,124, 56,725.60 and 30,357.88

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Solution

The fourth proportional to 41,124, 56,725.60 and 30,357.88 is: 41,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,124 : 56,725.60 = 30,357.88 : x
  2. Step 2: Convert to fraction form
    41,124/56,725.60 = 30,357.88/x
  3. Step 3: Cross multiply
    41,124x = 56,725.60 × 30,357.88
  4. Step 4: Simplify right side
    41,124x = 1,722,068,957.73
  5. Step 5: Solve for x
    x = 1,722,068,957.73/41,124
  6. Step 6: Final answer
    x = 41,875.04

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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.