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Finding the Fourth Proportional to 59,871.38, 82,628.05 and 34,381.09

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Solution

The fourth proportional to 59,871.38, 82,628.05 and 34,381.09 is: 47,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,871.38 : 82,628.05 = 34,381.09 : x
  2. Step 2: Convert to fraction form
    59,871.38/82,628.05 = 34,381.09/x
  3. Step 3: Cross multiply
    59,871.38x = 82,628.05 × 34,381.09
  4. Step 4: Simplify right side
    59,871.38x = 2,840,842,423.57
  5. Step 5: Solve for x
    x = 2,840,842,423.57/59,871.38
  6. Step 6: Final answer
    x = 47,449.09

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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.