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Finding the Fourth Proportional to 75,374, 104,016.12 and 41,843.12

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Solution

The fourth proportional to 75,374, 104,016.12 and 41,843.12 is: 57,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,374 : 104,016.12 = 41,843.12 : x
  2. Step 2: Convert to fraction form
    75,374/104,016.12 = 41,843.12/x
  3. Step 3: Cross multiply
    75,374x = 104,016.12 × 41,843.12
  4. Step 4: Simplify right side
    75,374x = 4,352,358,991.09
  5. Step 5: Solve for x
    x = 4,352,358,991.09/75,374
  6. Step 6: Final answer
    x = 57,743.51

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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.