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Finding the Fourth Proportional to 67,800.65, 93,555.81 and 37,584.41

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Solution

The fourth proportional to 67,800.65, 93,555.81 and 37,584.41 is: 51,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,800.65 : 93,555.81 = 37,584.41 : x
  2. Step 2: Convert to fraction form
    67,800.65/93,555.81 = 37,584.41/x
  3. Step 3: Cross multiply
    67,800.65x = 93,555.81 × 37,584.41
  4. Step 4: Simplify right side
    67,800.65x = 3,516,239,453.14
  5. Step 5: Solve for x
    x = 3,516,239,453.14/67,800.65
  6. Step 6: Final answer
    x = 51,861.45

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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.