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Finding the Fourth Proportional to 41,397.84, 57,210.12 and 36,789.84

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Solution

The fourth proportional to 41,397.84, 57,210.12 and 36,789.84 is: 50,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,397.84 : 57,210.12 = 36,789.84 : x
  2. Step 2: Convert to fraction form
    41,397.84/57,210.12 = 36,789.84/x
  3. Step 3: Cross multiply
    41,397.84x = 57,210.12 × 36,789.84
  4. Step 4: Simplify right side
    41,397.84x = 2,104,751,161.18
  5. Step 5: Solve for x
    x = 2,104,751,161.18/41,397.84
  6. Step 6: Final answer
    x = 50,842.05

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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.