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Finding the Fourth Proportional to 68,109.62, 93,995.50 and 37,901.68

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Solution

The fourth proportional to 68,109.62, 93,995.50 and 37,901.68 is: 52,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,109.62 : 93,995.50 = 37,901.68 : x
  2. Step 2: Convert to fraction form
    68,109.62/93,995.50 = 37,901.68/x
  3. Step 3: Cross multiply
    68,109.62x = 93,995.50 × 37,901.68
  4. Step 4: Simplify right side
    68,109.62x = 3,562,587,362.44
  5. Step 5: Solve for x
    x = 3,562,587,362.44/68,109.62
  6. Step 6: Final answer
    x = 52,306.67

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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.