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Finding the Fourth Proportional to 68,003.62, 93,843.16 and 37,788.19

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Solution

The fourth proportional to 68,003.62, 93,843.16 and 37,788.19 is: 52,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.62 : 93,843.16 = 37,788.19 : x
  2. Step 2: Convert to fraction form
    68,003.62/93,843.16 = 37,788.19/x
  3. Step 3: Cross multiply
    68,003.62x = 93,843.16 × 37,788.19
  4. Step 4: Simplify right side
    68,003.62x = 3,546,163,160.28
  5. Step 5: Solve for x
    x = 3,546,163,160.28/68,003.62
  6. Step 6: Final answer
    x = 52,146.68

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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.