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Finding the Fourth Proportional to 67,409.70, 101,065.95 and 37,836.60

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Solution

The fourth proportional to 67,409.70, 101,065.95 and 37,836.60 is: 56,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,409.70 : 101,065.95 = 37,836.60 : x
  2. Step 2: Convert to fraction form
    67,409.70/101,065.95 = 37,836.60/x
  3. Step 3: Cross multiply
    67,409.70x = 101,065.95 × 37,836.60
  4. Step 4: Simplify right side
    67,409.70x = 3,823,991,923.77
  5. Step 5: Solve for x
    x = 3,823,991,923.77/67,409.70
  6. Step 6: Final answer
    x = 56,727.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.