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Finding the Fourth Proportional to 59,869.80, 82,620.90 and 33,013.26

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Solution

The fourth proportional to 59,869.80, 82,620.90 and 33,013.26 is: 45,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,869.80 : 82,620.90 = 33,013.26 : x
  2. Step 2: Convert to fraction form
    59,869.80/82,620.90 = 33,013.26/x
  3. Step 3: Cross multiply
    59,869.80x = 82,620.90 × 33,013.26
  4. Step 4: Simplify right side
    59,869.80x = 2,727,585,253.13
  5. Step 5: Solve for x
    x = 2,727,585,253.13/59,869.80
  6. Step 6: Final answer
    x = 45,558.62

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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.