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Finding the Fourth Proportional to 69,200.52, 103,815.39 and 22,449.78

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Solution

The fourth proportional to 69,200.52, 103,815.39 and 22,449.78 is: 33,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,200.52 : 103,815.39 = 22,449.78 : x
  2. Step 2: Convert to fraction form
    69,200.52/103,815.39 = 22,449.78/x
  3. Step 3: Cross multiply
    69,200.52x = 103,815.39 × 22,449.78
  4. Step 4: Simplify right side
    69,200.52x = 2,330,632,666.11
  5. Step 5: Solve for x
    x = 2,330,632,666.11/69,200.52
  6. Step 6: Final answer
    x = 33,679.41

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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.