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Finding the Fourth Proportional to 41,129.76, 61,719.20 and 37,783.64

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Solution

The fourth proportional to 41,129.76, 61,719.20 and 37,783.64 is: 56,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.76 : 61,719.20 = 37,783.64 : x
  2. Step 2: Convert to fraction form
    41,129.76/61,719.20 = 37,783.64/x
  3. Step 3: Cross multiply
    41,129.76x = 61,719.20 × 37,783.64
  4. Step 4: Simplify right side
    41,129.76x = 2,331,976,033.89
  5. Step 5: Solve for x
    x = 2,331,976,033.89/41,129.76
  6. Step 6: Final answer
    x = 56,698.02

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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.