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Finding the Fourth Proportional to 68,112.74, 93,996.05 and 37,899.34

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Solution

The fourth proportional to 68,112.74, 93,996.05 and 37,899.34 is: 52,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.74 : 93,996.05 = 37,899.34 : x
  2. Step 2: Convert to fraction form
    68,112.74/93,996.05 = 37,899.34/x
  3. Step 3: Cross multiply
    68,112.74x = 93,996.05 × 37,899.34
  4. Step 4: Simplify right side
    68,112.74x = 3,562,388,257.61
  5. Step 5: Solve for x
    x = 3,562,388,257.61/68,112.74
  6. Step 6: Final answer
    x = 52,301.35

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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.