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Finding the Fourth Proportional to 67,871.81, 93,660.80 and 41,009.57

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Solution

The fourth proportional to 67,871.81, 93,660.80 and 41,009.57 is: 56,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.81 : 93,660.80 = 41,009.57 : x
  2. Step 2: Convert to fraction form
    67,871.81/93,660.80 = 41,009.57/x
  3. Step 3: Cross multiply
    67,871.81x = 93,660.80 × 41,009.57
  4. Step 4: Simplify right side
    67,871.81x = 3,840,988,928.81
  5. Step 5: Solve for x
    x = 3,840,988,928.81/67,871.81
  6. Step 6: Final answer
    x = 56,591.82

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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.