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Finding the Fourth Proportional to 67,489.65, 93,136.61 and 37,274.88

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Solution

The fourth proportional to 67,489.65, 93,136.61 and 37,274.88 is: 51,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.65 : 93,136.61 = 37,274.88 : x
  2. Step 2: Convert to fraction form
    67,489.65/93,136.61 = 37,274.88/x
  3. Step 3: Cross multiply
    67,489.65x = 93,136.61 × 37,274.88
  4. Step 4: Simplify right side
    67,489.65x = 3,471,655,961.36
  5. Step 5: Solve for x
    x = 3,471,655,961.36/67,489.65
  6. Step 6: Final answer
    x = 51,439.83

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1.5x scale

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.