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Finding the Fourth Proportional to 68,112.96, 93,987.63 and 37,891.14

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Solution

The fourth proportional to 68,112.96, 93,987.63 and 37,891.14 is: 52,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.96 : 93,987.63 = 37,891.14 : x
  2. Step 2: Convert to fraction form
    68,112.96/93,987.63 = 37,891.14/x
  3. Step 3: Cross multiply
    68,112.96x = 93,987.63 × 37,891.14
  4. Step 4: Simplify right side
    68,112.96x = 3,561,298,446.60
  5. Step 5: Solve for x
    x = 3,561,298,446.60/68,112.96
  6. Step 6: Final answer
    x = 52,285.18

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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.