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Finding the Fourth Proportional to 68,003.98, 93,842.44 and 37,789.16

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Solution

The fourth proportional to 68,003.98, 93,842.44 and 37,789.16 is: 52,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.98 : 93,842.44 = 37,789.16 : x
  2. Step 2: Convert to fraction form
    68,003.98/93,842.44 = 37,789.16/x
  3. Step 3: Cross multiply
    68,003.98x = 93,842.44 × 37,789.16
  4. Step 4: Simplify right side
    68,003.98x = 3,546,226,979.95
  5. Step 5: Solve for x
    x = 3,546,226,979.95/68,003.98
  6. Step 6: Final answer
    x = 52,147.34

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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.