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Finding the Fourth Proportional to 59,871.84, 82,615.38 and 34,379.28

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Solution

The fourth proportional to 59,871.84, 82,615.38 and 34,379.28 is: 47,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,871.84 : 82,615.38 = 34,379.28 : x
  2. Step 2: Convert to fraction form
    59,871.84/82,615.38 = 34,379.28/x
  3. Step 3: Cross multiply
    59,871.84x = 82,615.38 × 34,379.28
  4. Step 4: Simplify right side
    59,871.84x = 2,840,257,281.33
  5. Step 5: Solve for x
    x = 2,840,257,281.33/59,871.84
  6. Step 6: Final answer
    x = 47,438.95

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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.