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Finding the Fourth Proportional to 69,572.79, 104,367.39 and 22,171.39

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Solution

The fourth proportional to 69,572.79, 104,367.39 and 22,171.39 is: 33,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,572.79 : 104,367.39 = 22,171.39 : x
  2. Step 2: Convert to fraction form
    69,572.79/104,367.39 = 22,171.39/x
  3. Step 3: Cross multiply
    69,572.79x = 104,367.39 × 22,171.39
  4. Step 4: Simplify right side
    69,572.79x = 2,313,969,762.91
  5. Step 5: Solve for x
    x = 2,313,969,762.91/69,572.79
  6. Step 6: Final answer
    x = 33,259.69

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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.