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Finding the Fourth Proportional to 48,979.76, 67,597.66 and 33,096.68

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Solution

The fourth proportional to 48,979.76, 67,597.66 and 33,096.68 is: 45,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.76 : 67,597.66 = 33,096.68 : x
  2. Step 2: Convert to fraction form
    48,979.76/67,597.66 = 33,096.68/x
  3. Step 3: Cross multiply
    48,979.76x = 67,597.66 × 33,096.68
  4. Step 4: Simplify right side
    48,979.76x = 2,237,257,618.30
  5. Step 5: Solve for x
    x = 2,237,257,618.30/48,979.76
  6. Step 6: Final answer
    x = 45,677.19

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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.