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Finding the Fourth Proportional to 59,872.18, 82,624.18 and 33,015.64

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Solution

The fourth proportional to 59,872.18, 82,624.18 and 33,015.64 is: 45,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,872.18 : 82,624.18 = 33,015.64 : x
  2. Step 2: Convert to fraction form
    59,872.18/82,624.18 = 33,015.64/x
  3. Step 3: Cross multiply
    59,872.18x = 82,624.18 × 33,015.64
  4. Step 4: Simplify right side
    59,872.18x = 2,727,889,769.05
  5. Step 5: Solve for x
    x = 2,727,889,769.05/59,872.18
  6. Step 6: Final answer
    x = 45,561.90

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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.