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Finding the Fourth Proportional to 67,329.53, 100,970.68 and 36,928.56

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Solution

The fourth proportional to 67,329.53, 100,970.68 and 36,928.56 is: 55,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,329.53 : 100,970.68 = 36,928.56 : x
  2. Step 2: Convert to fraction form
    67,329.53/100,970.68 = 36,928.56/x
  3. Step 3: Cross multiply
    67,329.53x = 100,970.68 × 36,928.56
  4. Step 4: Simplify right side
    67,329.53x = 3,728,701,498.36
  5. Step 5: Solve for x
    x = 3,728,701,498.36/67,329.53
  6. Step 6: Final answer
    x = 55,379.88

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1.5x scale

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.