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Finding the Fourth Proportional to 79,379.68, 119,069.16 and 23,975.68

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Solution

The fourth proportional to 79,379.68, 119,069.16 and 23,975.68 is: 35,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,379.68 : 119,069.16 = 23,975.68 : x
  2. Step 2: Convert to fraction form
    79,379.68/119,069.16 = 23,975.68/x
  3. Step 3: Cross multiply
    79,379.68x = 119,069.16 × 23,975.68
  4. Step 4: Simplify right side
    79,379.68x = 2,854,764,078.03
  5. Step 5: Solve for x
    x = 2,854,764,078.03/79,379.68
  6. Step 6: Final answer
    x = 35,963.41

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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.